Strong Mailing Envelopes

200 results
Staples #10 Business Envelopes, 4 1/8" x 9 1/2", White, 500/Box (ST50301-CC) image 1
Item: 187013
Model: ST50301-CC

Mail documents to clients, customers or other intended recipients with these gummed envelopes. The white color helps handwritten or preprinted address labels stand out, while the durable 24-pound paper weight stands up to frequent handling. Each envelope features a gummed flap for a secure seal. These Staples white #10 envelopes come in a 500-count pack, making it easy to keep your work area stocked..PACKAGING MAY VARY, SAME GREAT PRODUCT..US #10 business envelopes are suitable for many mailing projects.Made from white 24 lb. paper for durability.These envelopes measure 4 1/8"H x 9 1/2"L in size, providing enough space for your mail.Gummed closure with V-Flap keeps contents in place.500 envelopes per box.The flap is on the long side for easier filling.Meets or exceeds SFI standard.Prepare documents for mailing with these Staples white #10 gummed envelopes.

Price is  $20.99
Unit of measure 500/Box
Next-Day Delivery by tomorrow
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JAM Paper 9 x 12 Open End Foil Envelopes with Self-Adhesive Closure, Gold, 100/Pack (01323291B) image 1
Item: 260964
Model: 01323291B

Protect and enhance the way you send mail using JAM Paper® Open End Envelopes with Self Adhesive Closure. White envelope who? These gold foil envelopes will instantly have you wondering how you've never used them before, as their unique color and eye-catching shiny finish immediately draw you in. Insert invitations, announcements, catalogs, artwork, greetings, and more knowing they are protected, as envelopes are water-resistant and tear-proof. This pack contains 100 gold foil envelopes. Each envelope measures 9" x 12", has an open end opening, straight flap, self adhesive strip closure, and shiny finish..Size: 9" x 12".Closure: Peal and seal.Opening: Open end.Material: Foil.Finish: Shiny.Envelope type: Business.Made of heavy-duty and tear-proof plastic foil, not only do these envelopes look lovely, but they are also sturdy and water-resistant.Self-adhesive peel and seal closure is easy to use and keeps items secure.100 envelopes per pack.JAM Paper® 9" x 12" Open end gold foil envelope features peal and seal closure that makes sealing simple and is perfect for greeting cards, invitations, weddings or any announcement, sold as 100 per pack.

Price is  $164.59
Unit of measure 100/Box
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5.13" x 5.13" Self-Sealing Fiberboard Mailer, White, 200/Carton (RM8SS) image 1
Item: 424942
Model: RM8SS

The 5-1/8" x 5-1/8" Self-Seal White Flat Mailers are made from strong chipboard and require no additional stiffeners to protect your documents. Sold 200 per Case..5-1/8" x 5-1/8".QuickStrip closure is quick and easy to use - simply remove strip and press to close.Rigid chipboard construction protects contents from bending and crushing.Attractive white mailers provide a clean and professional appearance.Convenient tear-tab opens easily without harming contents.Lightweight mailers reduces postage costs.Staples Brand 100% Satisfaction Guaranteed.Dimensions: 5-1/8" x 5-1/8".Manufactured from .020 white chipboard..Strong chipboard mailers protect photos and documents during shipping..Light-weight to save on postage, no additional stiffeners needed..Convenient peel and seal closure with pull tab tear-strip for easy opening..Sold 200 per case..Self-Seal White Flat Mailers are strong to protect photos and documents during shipping.

Price is  $81.59
Unit of measure 200/Carton
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Stayflats® Original Tab-Lock Mailers - 11" x 13 1/2" Kraft 100/CT ENVRM3SFK image 1
Item: 24409017
Model: RM3

Mailer features a reusable, economical locking tab closure with a 11 inch wide opening. Rigid construction will not bend or crush so no additional stiffeners are needed. Practical alternative to bubble packs, shredded paper or padded mailers..11x131/2.kraft.tab-lock original stayflat

Price is  $83.69
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7" x 9" Self-Sealing Fiberboard Mailer, White, 100/Carton (RM10SS) image 1
Item: 424860
Model: RM10SS

The 7" x 9" Self-Seal White Flat Mailers are made from strong chipboard and require no additional stiffeners to protect your documents. Sold 100 per Case..Strong chipboard mailers protect photos and documents during shipping..Manufactured from lightweight chipboard to save on freight costs..No additional stiffeners needed..Peel-and-seal closure..Pull tab tear strip for easy opening..Self-Seal White Flat Mailers are strong to protect photos and documents during shipping.

Price is  $54.79
Unit of measure 100/Carton
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Staples Packing List Envelope, 8.5" x 10.5" Resealable, Clear, 500/Case (RCF810) image 1
Item: 948213
Model: RCF810

The Packing list envelope in clear color measuring 8.5" x 10.5" is re-sealable expanding its usage and is pressure sensitive. Envelope made of strong 2 mil material is water/oil/dirt resistant and adheres to clean surfaces, sold as 500 per case..Resealable, Clear.Strong 2 mil envelopes resist water, oil and dirt.Envelopes are pressure sensitive and stick to clean surfaces.500/Case.Packing List Envelope is great for storing instructions, warranties and other documents that will be reused.

Price is  $154.49
Unit of measure 500/Carton
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Staples 12 x 15.5 Self-Sealing Poly Mailer, White, 100/Pack (ST56606) image 1
Item: 691432
Model: ST56606

Seal these sturdy poly mailers by simply peeling the strip and pressing it down. The durable design resists the rigors of the shipping process, while the white poly surface is perfect for handwritten addresses or printed labels. Each oversized envelope can handle posters or large documents. With 100 mailers in each pack, these Staples 12 x 15.5-inch white poly mailers are great for office mail rooms..Features a single-use self-sealing closure.Mailer is made of polypropylene and comes in white.Opens easily with a tear strip.Poly self sealing privacy mailer envelopes.White outer color and dark grey inner color.Lightweight, durable, professional, and private.Keep important documents safe from rain, snow or tears with these Staples 12 x 15.5-inch white poly mailers.

Price is  $34.49
Unit of measure 100/Pack
Next-Day Delivery by tomorrow
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7" x 9" Self-Sealing Padded EverTec Mailer, #0, Kraft, 252/Carton (0TMECO) image 1
Item: 24468677
Model: 0TMECO

The Pregis EverTec™ Mailer brings paper power to your supply chain. How? This is the only mailer that brings lightweight, strong, and flexible padded functionality and curbside recyclability to the marketplace. Even better, a flexible design increases packing speeds too. Now that's the power of paper in action. A strong bottom and side heat seals bring added strength. A self-seal adhesive closure is tamper-evident, yet accessible..The only mailer that brings lightweight, strong, and flexible padded functionality and curbside recyclability to the marketplace.Durable "Everlasting" performance – Highly puncture resistant, with flexible “give” to protect the precious cargo through every last trip..Where Satisfaction meets sustainability – Eco-friendly materials and an easy pull-tear strip.Easy to recycle – Slam-dunk these mailers into recycling bins to restart the cycle of green enterprise, mailing worldwide.True "Evergreen" solution – Eliminates landfill waste by reducing damaged items, and creates a circular recycling stream, protecting what's inside and out..Premium damage protection – Padded construction with strong bottom and side heat sealing, cushions the package for high-impact resistance.Made of kraft paper

Price is  $93.89
Unit of measure 252/Carton
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JAM Paper Plastic Envelopes with Zipper Closure, 9.75" x 11.75", White, 12/Pack (34011BU) image 1
Item: 1433839
Model: 34011BU

Secure and store your documents with JAM Paper® Plastic Envelopes with Zip Closure! Measuring 9 3/4" x 13" in size, these white letter booklet envelopes are a secure and superior alternative to keeping and organizing documents, contracts, resumes and more. The durable plastic exterior throughout offers scratch-resistant, tear-resistant and water-resistant features to protect documents from damage. The zipper closure allows you to seamlessly access and fasten inside contents with ease. These envelopes are ideal for students, teachers, real estate agents, contractors and more! Whether you're in the office, classroom, home or on the go, let our plastic envelopes help protect your important documents. This pack includes 12 envelopes. Size: 9.75in x 13in | Color: White | Quantity: 12/pack.Color: White.Size: 9 3/4 x 13 inches.Quantity: 12 per pack.Opening: Booklet.Closure: Zip.Material: Plastic.JAM Paper® Plastic Envelopes are great for storing and protecting documents and small office or school supplies!

Price is  $41.79
Unit of measure 12/Pack
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Staples Self Seal Security Tinted Catalog Envelopes, 9" x 12", White, 100/Box (21574) image 1
Item: 329845
Model: ST21574-CC

Maintain confidentiality when you mail sensitive materials using this box of 100 white privacy tint catalog envelopes. Constructed of 25-pound white wove PaperTyger material, these envelopes resist moisture and tearing and easily accommodate a variety of bulky materials with their generous capacity. These Staples tear-resistant privacy tint catalog envelopes feature peel-and-seal closures that save time and offer strong, reliable seals..Catalog envelopes are a convenient and reliable choice for personal and business mailing purposes.Durable, lightweight, and tear-resistant 10gsm woven paper..Dimensions: 9"L x 12"H; size #10.Self seal for secured sealing.Envelopes come in boxes of 100, making them an easy and economical choice.Water- and moisture-resistant.Mail sensitive documents with this box of 100 Staples white tear-resistant privacy tint catalog envelopes.

Price is  $88.39
Unit of measure 100/Box
Next-Day Delivery by tomorrow
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7.5" x 10.5" Self-Sealing Poly Mailer, White, 1000/Carton (B5155) image 1
Item: 24449627
Model: B5155

Designed to protect mailed items from damage and prying eyes. Tear-resistant and durable poly mailer is built from co-extruded poly to withstand overstuffing and the wear and tear of shipping. This opaque poly mailer has a white outer surface and silver inner surface for added security..Strong, polyethylene mailers protect products from moisture during shipping..Mailers are puncture, water, tamper and tear resistant..High strength seams will keep contents intact even if over packed..The outer surface of the mailer is white and the inner lining is silver..Labels stamps and ink adhere well..Self-seal.

Price is  $96.09
Unit of measure 1000/Carton
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7" x 9" Self-Sealing Fiberboard Mailer, Brown, 100/Carton (RM10K) image 1
Item: 447181
Model: RM10K

The 7" x 9" Kraft Flat Mailer features closure that is quick and easy to use. Mailer includes rigid chipboard construction that protects contents from bending and crushing. Sold 100 per case..7" x 9".QuickStrip closure is quick and easy to use - simply remove strip and press to close.Rigid chipboard construction protects contents from bending and crushing.Convenient tear-tab opens easily without harming contents.Lightweight mailers reduces postage costs.Staples Brand 100% Satisfaction Guaranteed.Dimensions: 7" x 9".Manufactured from .028 kraft chipboard..Peel and seal closure with pull tear-strip for easy opening..Light-weight to save on postage..No additional stiffeners needed..Sold 100 per case..Self-Seal White Flat Mailers are strong to protect photos and documents during shipping.

Price is  $58.69
Unit of measure 100/Carton
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10" x 13" Self-Sealing Poly Mailer, White, 100/Carton (EPM10132) image 1
Item: 1603912
Model: EPM10132

Preserve shipment quality and protect products in transit with these polyethylene mailers. Impervious to moisture and punctures these dependable mailers are designed to handle the inherent stresses of parcel shipping. High-strength seams keep contents intact even if overpacked, while a perforated tear strip provides easy-open convenience. Gusseted bottoms allow poly mailers to accommodate thicker items such as books, binders, and catalogs..Strong, polyethylene mailers protect products from moisture during shipping..Features a gusseted bottom to allow for thicker items such as binders, books and catalogs..Puncture, moisture, tamper and tear-resistant..High strength seams will keep contents intact even if over packed..The outer surface of the mailer is white and the inner lining is silver..Labels, ink and stamps adhere well..Self-seal closure with a double perforation tear strip for easy opening..Ship a variety of items with these Partners Brand expansion poly mailers, which feature self-seal closures and high-strength seams.

Price is  $41.39
Unit of measure 100/Carton
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Staples Gummed Kraft Catalog Envelopes, 6" x 9", Brown, 100/Box (17097) image 1
Item: 534693
Model: ST17096-CC

Ship brochures, diagrams and catalogs without bending them by using these brown kraft catalog envelopes. Each envelope features a heavily gummed flap that provides a strong seal once moistened, while the sturdy 28-pound kraft material helps resist ripping, bending and puncturing. These Staples gummed-closure catalog envelopes come 100 per box, so stocking up the supply cupboard is simple..Catalog envelope is perfect for catalogs, brochures, and pricelists.Comes in brown and made of kraft.Dimensions: 6"L x 9"H; size #1.Gummed flap closure keeps your documents secured inside the envelope.Envelopes come in boxes of 100, making them an easy and economical choice.Keep catalogs, pricing pages and pamphlets clean and wrinkle-free with this 100-pack of Staples 6 x 9-inch brown kraft gummed-closure catalog envelopes.

Price is  $36.29
Unit of measure 100/Box
Next-Day Delivery by tomorrow
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Quality Park Redi-Seal Catalog Envelopes, 10" x 13", White Wove, 100/Box (QUA43717) image 1
Item: 453848
Model: QUA43717

Use these white wove catalog envelopes to protect contracts, statements, and important mail during shipping and transit. Constructed of 28-pound paper, these envelopes protect contents from rips, moisture, and other damage, ensuring your mail arrives safely and damage-free. These Quality Park envelopes feature a Redi-Seal closure, allowing you to seal them without moisture..Catalog envelopes are a convenient and reliable choice for personal and business mailing purposes.White paper shows labeling and writing clear and concise.Dimensions: 10"L x 13"H; size #13,5.Self-sealing for a secure seal.Envelopes come in boxes of 100, making them an easy and economical choice for the business that needs to spend wisely without sacrificing quality.Made in the USA.Secure files, contracts, and other important documents with these Quality Park Redi-Seal catalog envelopes.

Price is  $42.09
Unit of measure 100/Box
Next-Day Delivery by tomorrow
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12" x 9" Self-Sealing Padded EverTec Mailer, #2, Kraft, 100/Carton (2TMECO) image 1
Item: 24468676
Model: 2TMECO

The Pregis EverTec™ Mailer brings paper power to your supply chain. How? This is the only mailer that brings lightweight, strong, and flexible padded functionality and curbside recyclability to the marketplace. Even better, a flexible design increases packing speeds too. Now that's the power of paper in action. A strong bottom and side heat seals bring added strength. A self-seal adhesive closure is tamper-evident, yet accessible..The only mailer that brings lightweight, strong, and flexible padded functionality and curbside recyclability to the marketplace.Durable "Everlasting" performance – Highly puncture resistant, with flexible “give” to protect the precious cargo through every last trip..Where Satisfaction meets sustainability – Eco-friendly materials and an easy pull-tear strip.Easy to recycle – Slam-dunk these mailers into recycling bins to restart the cycle of green enterprise, mailing worldwide.True "Evergreen" solution – Eliminates landfill waste by reducing damaged items, and creates a circular recycling stream, protecting what's inside and out..Premium damage protection – Padded construction with strong bottom and side heat sealing, cushions the package for high-impact resistance.Made of kraft paper

Price is  $67.39
Unit of measure 100/Carton
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Staples Gummed #11 Business Envelopes, 4 1/2" x 10 3/8", Brown, 500/Box (SPL535153) image 1
Item: 535153
Model: ST50171-CC

Send letters, brochures, and checks with these #11 brown envelopes. Each envelope has a commercial flap with moistenable glue for enhanced security, while the heavy-duty 28-pound kraft paper provides increased strength and durability, so the contents arrive exactly as intended. These Staples gummed envelopes are made from at least 20 percent post-consumer content and come in a pack of 500, letting you easily stock up..#11 business envelopes are suitable for many mailing projects.Made from brown 28 lb. paper for durability.These envelopes measure 4 1/2"H x 10 3/8"L in size, providing enough space for your mail.Gummed closure with commercial flap keeps contents in place.500 envelopes per box.Contains minimum 20% post-consumer content.Envelopes contain 0% recycled content.The flap is on the long side for easier filling.Mail with confidence by using this 500-pack of Staples #11 kraft brown gummed envelopes.

Price is  $56.49
Unit of measure 500/Box
Next-Day Delivery by tomorrow
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7.5" x 10.5" Self-Sealing Poly Mailer, White, 1000/Carton (B872) image 1
Item: 24449634
Model: B872

Designed to protect mailed items from damage and prying eyes. Tear-resistant and durable poly mailer is built from co-extruded poly to withstand overstuffing and the wear and tear of shipping. This opaque poly mailer has a white outer surface and silver inner surface for added security..Strong, polyethylene mailers protect products from moisture during shipping..Mailers are puncture, water, tamper and tear resistant..High strength seams will keep contents intact even if over packed..The outer surface of the mailer is white and the inner lining is silver..Labels stamps and ink adhere well..Opens with a tear strip..Self-seal.

Price is  $96.09
Unit of measure 1000/Carton
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14" x 17" Self-Sealing Poly Mailer, White, 100/Carton (CV1417) image 1
Item: 1603925
Model: CV1417

Partners Brand Clear View Poly Mailers are the perfect bag for mailing catalogs and brochures. The Clear Poly front allows for easy viewing of contents while the white poly backing is perfect for address and postage. These mailers feature a self-seal closure and a double perforation for easy opening. Mailers measure 14" x 17" and are sold 100 per case..Clear front to display contents and opaque back for postage and address information..Mailers feature a self-seal closure with double perforations for easy opening..Made of tear-resistant poly..Clear View Poly Mailers provide exposure to promotional contents inside.

Price is  $51.59
Unit of measure 100/Carton
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20" x 27" Self-Sealing Fiberboard Mailer, Brown, 50/Carton (RM12PSK) image 1
Item: 495772
Model: RM12PSK

The 20" x 27" Kraft Flat Mailer features closure that is quick and easy to use. Mailer includes rigid chipboard construction that protects contents from bending and crushing. Sold 50 per case..Dimensions: 20" x 27".Manufactured from .028 kraft chipboard..Peel and seal closure with pull tear-strip for easy opening..Light-weight to save on postage..No additional stiffeners needed..Sold 50 per case..Self-seal adhesive strip seals mailer securely and provides a tamper-evident closure.Convenient pull tab tear strip allows for easy opening without damage to contents.Items remain flat during shipment without the added expense of additional stiffeners.Recommended for shipping photos, artwork or important documents.Lightweight to save on postage.100% recycled.Made from strong .038 kraft chipboard.QuickStrip closure is quick and easy to use - simply remove strip and press to close.Rigid chipboard construction protects contents from bending and crushing.Convenient tear-tab opens easily without harming contents.Lightweight mailers reduces postage costs.Tab-Lock Kraft Flat Mailers are strong to protect photos and documents during shipping.

Price is  $201.09
Unit of measure 50/Carton
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Universal Gummed Kraft Catalog Envelope, 10" x 13", Light Brown, 250/Box (UNV44105) image 1
Item: 2598456
Model: 44105

Wide gummed flap produces a secure seal. Quality paper stock resists ripping and tearing. Envelope Size: 10 x 13. Envelope/Mailer Type: Catalog/Clasp Mixed Colors. Closure: Gummed Flap. Trade Size: 97. Color(s): Light Brown. Expansion: No. Exterior Material(s): Kraft. Format/Border: Standard. Opening: Open End. Post-Consumer Recycled Content Percent (Nom): 0 %. Pre-Consumer Recycled Content Percent (Nom): 0 %. Seam Type: Center. Security Tinted: No. Total Recycled Content Percent (Nom): 0 %. Window Position: None..Type : Envelope Side Seam.Color : Light Brown.Dimension : 10 x 13 in.

Price is  $84.99
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JAM Paper 6.25 x 7.875 Open End Foil Envelopes with Self-Adhesive Closure, Gold, 100/Pack (01323273B) image 1
Item: 260937
Model: 01323273B

Impressing recipients is simple when you use JAM Paper® Open End Foil Envelopes with Peel & Seal Closure. Between its eye-catching color, shiny finish, and practical features, these gold foil envelopes set your mail apart from the rest. Recipients will be delighted and excited to find out what's inside upon receiving! Ideal for sending CDs, invitations, greetings, announcements, photographs, and more. These envelopes come with an easy-to-use peel and seal closure, saving you time and energy. Plus, contents stay protected as they feature both a tear-proof and water-resistant feature. This pack contains 100 gold foil envelopes. Each envelope measures 6 1/4" x 7 7/8", has an open end opening, straight flap, self adhesive strip closure, and shiny finish..Size: 6 1/4" x 7 7/8".Closure: Peal and seal.Opening: Open end.Material: Foil.Finish: Shiny.Envelope type: Business.100 envelopes per pack.JAM Paper® 6 1/4" x 7 7/8" Open end gold foil envelope in a pack of 100 features peal and seal closure and is perfect for greeting cards, invitations, weddings or promotional material.

Price is  $108.99
Unit of measure 100/Box
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Staples Self Seal #13 1/2 Kraft Catalog Envelope, 10" x 13", Brown, 250/Box (ST486933-CC) image 1
Item: 486933
Model: ST486933-CC

Send literature safely with these brown kraft catalog envelopes. Each one features self-sealing adhesive strips, so it's easy to secure documents safely inside, while the 28-pound kraft paper construction helps resist tearing, moisture and the rigors of shipping. These Staples 10 x 13-inch self-sealing catalog envelopes are large enough to hold various large items without the need for folding..Catalog envelopes are perfect for catalogs, brochures, and documents.Made from brown kraft paper that conceals contents from prying eyes.Dimensions: 10"L x 13"H, size #13.Self-sealing closure quickly and easily secures your mail.Envelopes come in boxes of 250, making them an easy, and economical choice for the business that needs to spend wisely without sacrificing quality.20% post-consumer content for eco-friendliness.20% total recycled content.Ensure correspondence arrives undamaged with this box of 250 Staples 10 x 13-inch brown kraft self-sealing catalog envelopes.

Price is  $61.49
Unit of measure 250/Box
Next-Day Delivery by tomorrow
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Staples QuickStrip EasyClose #10 Business Envelopes, 4 1/8" x 9 1/2", White, 100/Box (394047N) image 1
Item: 394047
Model: ST394047N-CC

Tackle high-volume mailing projects with these #10 envelopes. Each one features a peel-and-seal closure for easy sealing, while the 24-pound white wove paper provides the durability needed to withstand the wear and tear of shipping and a bright background to contrast against dark text. These Staples EasyClose envelopes let you print addresses directly on them with laser and inkjet printers, providing a professional look..US #10 business envelopes are suitable for many mailing projects.Made from white 24 lb. paper for durability.These envelopes measure 4 1/8"H x 9 1/2"L in size, providing enough space for your mail.EasyClose closure with square flap seals securely without moistening.100 envelopes per box.The flap is on the long side for easier filling.Suitable for laser and inkjet printers.Seal correspondence securely shut with this 100-pack of Staples EasyClose laser and inkjet #10 envelopes.

Price is  $11.49
Unit of measure 100/Box
Next-Day Delivery by tomorrow
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Universal Gummed Kraft Catalog Envelope, 6 1/2" x 9 1/2", Light Brown, 500/Box (UNV40165) image 1
Item: 2598457
Model: 40165

Wide gummed flap produces a secure seal. Quality paper stock resists ripping and tearing. Envelope Size: 6-1/2 x 9-1/2. Closure: Gummed Flap. Color(s): Light Brown. Custom Imprint Included: No. Envelope/Mailer Type: Catalog/Clasp Mixed Colors. Expansion: No. Exterior Material(s): Kraft. Format/Border: Standard. Opening: Open End. Seam Type: Center. Security Tinted: No. Window Position: None. Trade Size: 63. Post-Consumer Recycled Content Percent (Nom): 0 %. Pre-Consumer Recycled Content Percent (Nom): 0 %. Total Recycled Content Percent (Nom): 0 %..Type : Catalog Envelope Side Seam.Color : Light Brown, Material : Kraft.Dimension : 6 1/2 x 9 1/2 in.

Price is  $120.49
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8.5" x 11" Self-Sealing Padded Mailer, #3, White, 100/Carton (B805WSS) image 1
Item: 630821
Model: B805WSS

The #2, 8-1/2" x 12" Self-Seal White Padded Mailers feature fiber padding that expands as package is handled to absorb shock and protects contents from damage. Sold 100 per case..Fiber padding expands as package is handled absorbing shock and protecting contents from damage..Mailers feature peel and seal closure..End flaps are coated with a natural rubber adhesive that only adheres to itself and keeps contents secure during shipping..Bags are both moisture and puncture resistant..No additional cushioning needed.

Price is  $86.49
Unit of measure 100/Carton
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6" x 10" Self-Sealing Padded Mailer, #0, White, 25/Carton (B803WSS25PK) image 1
Item: 497221
Model: B803WSS25PK

Excellent protection. Kraft paper liner with macerated paper between the plies for cushioning. Mailer features a double-fold and double-glued bottom flap construction for increased protection..Fiber padding expands as package is handled absorbing shock and protecting contents from damage..Mailers feature peel and seal closure..End flaps are coated with a natural rubber adhesive that only adheres to itself and keeps contents secure during shipping..Bags are both moisture and puncture resistant..No additional cushioning needed..An all-purpose, paper cushioned mailer constructed from a heavy-duty kraft with a uniform inner padding available in ten sizes with self-seal or regular closure. This environmentally sound mailer offers excellent cushioning protection while reducing freight costs, minimizing warehouse storage space and simplifying inventory logistics.

Price is  $42.59
Unit of measure 25/Carton
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Quality Park Self Seal Kraft Catalog Envelopes, 10" x 15", Brown, 250/Carton (QUA43862) image 1
Item: 507912
Model: QUA43862

Ensure shipped items maintain a professional appearance with this 250-pack of self-sealing catalog envelopes. Made from tear-resistant 28-pound brown kraft paper, these envelopes keep shipped items safe and easily accommodate bulky documents with their generous capacity. These brown kraft catalog envelopes improve efficiency with self-sealing closures that offer fast, strong seals with no need for moisture..Catalog envelope is a reliable choice for multiple kinds of personal and business mailing purposes.Made from brown kraft paper that conceals contents from prying eyes.Dimensions: 10"L x 15"H.Self seal for secured sealing.Full carton contains complete total of 250 envelopes.Ship marketing materials, mailers and a variety of professional documents with this box of 250 brown kraft self-sealing catalog envelopes.

Price is  $165.59
Unit of measure 250/Carton
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6" x 10" Self-Sealing Padded Mailer, #0, White, 250/Carton (B803WSS) image 1
Item: 630746
Model: B803WSS

Excellent protection. Kraft paper liner with macerated paper between the plies for cushioning. Mailer features a double-fold and double-glued bottom flap construction for increased protection..Fiber padding expands as package is handled absorbing shock and protecting contents from damage..Mailers feature peel and seal closure..End flaps are coated with a natural rubber adhesive that only adheres to itself and keeps contents secure during shipping..Bags are both moisture and puncture resistant..No additional cushioning needed..An all-purpose, paper cushioned mailer constructed from a heavy-duty kraft with a uniform inner padding available in ten sizes with self-seal or regular closure. This environmentally sound mailer offers excellent cushioning protection while reducing freight costs, minimizing warehouse storage space and simplifying inventory logistics.

Price is  $137.99
Unit of measure 250/Carton
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9.75" x 12.25" Self-Sealing Fiberboard Mailer, 100/Carton (MJ4) image 1
Item: 24476689
Model: 70-9466

Mail Jacket mailer is strong, rigid paperboard packaging made with high-quality, hand-sorted, recycled materials. It is constructed with a bottom fold for superior strength. The pressure-sensitive, self-sealing adhesive closure system is reliable, tamper-evident and easy to use..Overall mailer dimensions: 9.75" x 12.25".Features a self-sealing closure for easy and secure mailing.Comes in white and made of paperboard.Tear-off strip opens easily without harming contents.100 mailers per carton.Made from 100% recycled content, 95% of which is post-consumer recycled.This product is manufactured by a certified MBE (minority owned business).This product is manufactured by a certified WBE (women owned business)

Price is  $55.79
Unit of measure 100/Carton
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Staples Tyvek EasyClose Catalog Envelopes, 10"L x 13"H, White, 100/Box (ST19872) image 1
Item: 534925
Model: ST19872

Ship a variety of bulky documents and mailers with this box of 100 Tyvek catalog envelopes. These envelopes accommodate a variety of bulky mailers with their generous dimensions and guard shipped items against tearing, punctures and moisture with their 14-pound material. Featuring QuickStrip closures, these Staples EasyClose catalog envelopes offer strong, reliable seals without the need for moisture..Tyvek Catalog envelopes are a reliable choice for multiple kinds of personal and business mailing purposes.White Tyvek envelopes provide superior protection for mailing important materials or documents.Dimensions: 10"L x 13"H, size #13.EasyClose peel-and-stick closures to speed up mail preparation time. Whether sending materials across the country or across the office, these envelopes stay sealed for safety, and convenience.Envelopes come in boxes of 100, making them an easy and economical choice for the business that needs to spend wisely without sacrificing quality.QuickStrip closure is quick and easy to use - simply remove strip and press to close.Water and moisture resistant.Make sure shipped materials arrive in perfect condition with this box of 100 Staples white Tyvek EasyClose catalog envelopes.

Price is  $110.39
Unit of measure 100/Box
Next-Day Delivery by tomorrow
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19" x 24" Self-Sealing Poly Mailer, White, 100/Carton (B877100PK) image 1
Item: 1693954
Model: B877100PK

Ship with confidence using these 19" x 24" Self-Sealing Poly Mailers in White. Designed for durability and convenience, these lightweight mailers resist moisture, tearing, and punctures—making them ideal for non-fragile items. The self-sealing adhesive strip ensures a secure closure without the need for tape, and each carton includes 100 mailers for efficient, high-volume shipping..Strong, polyethylene mailers protect products from moisture during shipping..Mailers are puncture, water, tamper and tear resistant..High strength seams will keep contents intact even if over packed..The outer surface of the mailer is white and the inner lining is silver..Labels stamps and ink adhere well..Self-seal.

Price is  $96.59
Unit of measure 100/Carton
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Staples Self Seal Kraft Catalog Envelopes, 6” x 9”, Brown, 100/Box (50262) image 1
Item: 381964
Model: ST50262-CC

Get catalogs and brochures out to customers with these Staples self-sealing catalog envelopes. Each envelope has a self-adhesive flap that lets you close them securely shut, while the hardy 28-pound brown kraft paper provides durability and a classic appearance. These Staples self-sealing catalog envelopes are large enough to safely accommodate photos, cards and other similar documents without folding them..Catalog envelopes are a convenient and reliable choice for personal and business mailing purposes.Comes in brown and made of kraft.Dimensions: 6"L x 9"H; size #1.Self Seal flap closure keeps your documents secured inside the envelope.Envelopes come in boxes of 100, making them an easy and economical choice.Mail brochures and catalogs without bending them using this 100-pack of Staples brown kraft 6 x 9-inch self-sealing catalog envelopes.

Price is  $29.99
Unit of measure 100/Box
Next-Day Delivery by tomorrow
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17" x 21" Self-Sealing Fiberboard Mailer, White, 100/Carton (RM7W) image 1
Item: 447191
Model: RM7W

The 17" x 21" Tab-Lock White Flat Mailers are made from strong chipboard and require no additional stiffeners to protect your documents. Sold 100 per Case..Dimensions: 17" x 21".Rigid chipboard construction protects contents from bending and crushing.Economical locking tabs secure contents.Attractive white mailers provide a clean and professional appearance.Lightweight mailers reduces postage costs.Manufactured from .028 white chipboard..Strong chipboard mailers protect photos and documents during shipping..Light-weight to save on postage, no additional stiffeners needed..Economical tab-lock closure..Sold 100 per case..Self-Seal White Flat Mailers are strong to protect photos and documents during shipping.

Price is  $180.99
Unit of measure 100/Carton
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19" x 24" Self-Sealing Poly Mailer, White, 200/Carton (B877) image 1
Item: 24449617
Model: B877

Designed to protect mailed items from damage and prying eyes. Tear-resistant and durable poly mailer is built from co-extruded poly to withstand overstuffing and the wear and tear of shipping. This opaque poly mailer has a white outer surface and silver inner surface for added security..Strong, polyethylene mailers protect products from moisture during shipping..Mailers are puncture, water, tamper and tear resistant..High strength seams will keep contents intact even if over packed..The outer surface of the mailer is white and the inner lining is silver..Labels stamps and ink adhere well..Self-seal.

Price is  $163.19
Unit of measure 200/Carton
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12" x 15" Self-Sealing Padded EverTec Mailer, #5, Kraft, 100/Carton (5TMECO) image 1
Item: 24468679
Model: 5TMECO

The Pregis EverTec™ Mailer brings paper power to your supply chain. How? This is the only mailer that brings lightweight, strong, and flexible padded functionality and curbside recyclability to the marketplace. Even better, a flexible design increases packing speeds too. Now that's the power of paper in action. A strong bottom and side heat seals bring added strength. A self-seal adhesive closure is tamper-evident, yet accessible..The only mailer that brings lightweight, strong, and flexible padded functionality and curbside recyclability to the marketplace.Durable "Everlasting" performance – Highly puncture resistant, with flexible “give” to protect the precious cargo through every last trip..Where Satisfaction meets sustainability – Eco-friendly materials and an easy pull-tear strip.Easy to recycle – Slam-dunk these mailers into recycling bins to restart the cycle of green enterprise, mailing worldwide.True "Evergreen" solution – Eliminates landfill waste by reducing damaged items, and creates a circular recycling stream, protecting what's inside and out..Premium damage protection – Padded construction with strong bottom and side heat sealing, cushions the package for high-impact resistance.Made of kraft paper

Price is  $85.79
Unit of measure 100/Carton
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7" x 9" Self-Sealing Fiberboard Mailer, White, 100/Carton (RM10W) image 1
Item: 424848
Model: RM10W

The 7" x 9" Tab-Lock White Flat Mailers are made from strong chipboard and require no additional stiffeners to protect your documents. Sold 100 per Case..Dimensions: 7" x 9".Manufactured from .028 white chipboard..Strong chipboard mailers protect photos and documents during shipping..Light-weight to save on postage, no additional stiffeners needed..Economical tab-lock closure..Sold 100 per case..Attractive white mailers provide a clean, professional and high quality appearance.Economical tab lock closure keeps contents secure, allows for repeated use and offers indefinite shelf life.Items remain flat during shipment without the added expense of additional stiffeners.Recommended for shipping photos, artwork or important documents.Lightweight to save on postage.80% recycled.Self-Seal White Flat Mailers are strong to protect photos and documents during shipping.

Price is  $65.19
Unit of measure 100/Carton
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JAM Paper® Plastic Envelopes with Button and String Tie Closure, Letter Booklet, 9.75 x 13, Smoke Gray, 12/Pack (218B1SM) image 1
Item: 263022
Model: 218B1SM

JAM Paper® Smoke Grey Letter Booklet Plastic Envelope with Button and String Tie Closure is an effective, durable, and easy to use unit for storing and protecting all of your important documents! These envelopes are made of pliable, yet sturdy plastic and feature secure, two button strong tie closure. Each one is about 10 x 13 inches in size . Store documents or transport them from place to place with an accent of classic grey. Protect your documents from scratches, bends, and tears in any environment. Organize your documents while giving them the utmost protection against damage by using this 12 pack of versatile envelopes!.Size: 9 3/4" x 13".Closure: Button & string.Opening: Booklet.Plastic material provides longevity so if you have photographs or letters that you wish to preserve.These envelopes are also handy for storing recipes, scrapbook materials, and other accumulating papers.For work efficiency, use plastic button and string envelopes to categorize and color code files.Larger sized envelopes keep booklets and contracts unbent and secure.Envelopes are offered in a wide variety of sizes for both home and office management.12 per pack.Expansion: 1.25".JAM Paper® Plastic button and string closure envelope in smoke gray color measures 9.75" x 13" and is sold as 12 per pack.

Price is  $33.79
Unit of measure 12/Pack
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JAM Paper #7 Coin Tear-Proof Tyvek Open End Envelopes, 3.5 x 6.5, White, 25/Pack (2131076) image 1
Item: 2329342
Model: 2131076

Get the lasting durability of DuPont's Tyvek polymer with JAM Paper® #7 Heavy Duty White Tyvek Coin Envelopes. These superior quality open-end envelopes are waterproof, stronger and more tear-resistant than regular paper envelopes. The straight flap provides a protective cover for your cards and the self-adhesive strip ensures they will be secure. Each 3.5 x 6.5 inch envelope in this 25 piece pack is perfect for mailing important documents at home, school, or work. They have a smooth finish and are manufactured from 10% recycled materials, making them stylish and eco-friendly. Tyvek is a registered trademark of DuPont, an established chemical company that develops the powerful polymer used to make these envelopes..#7 Coin Tyvek Envelopes - 3 1/2" x 6 1/2".Made with white paper.#7 Coin - 3 1/2" x 6 1/2".Self Adhesive Closure 25 envelopes per pack.Self Adhesive Closure.25 envelopes per pack.Safety Data Sheet.JAM Paper® Tyvek Envelopes provide exceptionally durable protection for your mailed items!

Price is  $14.89
Unit of measure 25/Pack
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9" x 11.5" Self-Sealing Fiberboard Mailer, 100/Carton (MJ3) image 1
Item: 24476690
Model: 70-9465

Mail Jacket mailer is strong, rigid paperboard packaging made with high-quality, hand-sorted, recycled materials. It is constructed with a bottom fold for superior strength. The pressure-sensitive, self-sealing adhesive closure system is reliable, tamper-evident and easy to use..Overall mailer dimensions: 9" x 11.5".Features a self-sealing closure for easy and secure mailing.Comes in white and made of paperboard.Tear-off strip opens easily without harming contents.100 mailers per carton.Made from 100% recycled content, 95% of which is post-consumer recycled.This product is manufactured by a certified MBE (minority owned business).This product is manufactured by a certified WBE (women owned business)

Price is  $68.39
Unit of measure 100/Carton
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13" x 18" Self-Sealing Fiberboard Mailer, White, 100/Carton (RM18SS) image 1
Item: 447178
Model: RM18SS

The 13" x 18" Self-Seal White Flat Mailers are made from strong chipboard and require no additional stiffeners to protect your documents. Sold 100 per Case..Strong chipboard mailers protect photos and documents during shipping..Manufactured from lightweight chipboard to save on freight costs..No additional stiffeners needed..Peel-and-seal closure..Pull tab tear strip for easy opening..Self-Seal White Flat Mailers are strong to protect photos and documents during shipping.

Price is  $190.79
Unit of measure 100/Carton
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JAM Paper 4 x 5.5 Booklet Foil Envelopes with Self-Adhesive Closure, Gold, 25/Pack (1324894) image 1
Item: 24295163
Model: 1324894

Break the mold from basic mail using JAM Paper® Booklet Envelopes with Self Adhesive Closure. You'll certainly be remembered when recipients receive these gold foil envelopes, as their surprising color and shiny finish immediately attract attention. Whether you are sending birthday invitations for your son's pirate-themed birthday party, business correspondence, special announcements, or greetings, your contents stay stylish and damage-free inside these tear-proof and water-resistant envelopes. This pack contains 25 gold foil envelopes. Each envelope measures 4" x 5 1/2", has a booklet opening, straight flap, self adhesive strip closure, and shiny finish..Color: Gold.Size: 4 x 5.5 inches.Quantity: 25 /pack.Fashioned from heavy-duty tear-proof foil. Envelopes feature a peal & seal closure and are water resistant..Perfect for personal mail, business mailings, greeting cards, announcements, and so much more!.With Jam Paper's wide variety of speciality envelopes you can be sure to find what you need for your projects no matter how large or small.

Price is  $32.99
Unit of measure 25/Pack
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JAM Paper Self Seal Nonstandard Envelope, 8 1/2" x 8 1/2", Brown Kraft, 50/Pack (8575-GB-50) image 1
Item: 24578312
Model: 8575-GB-50

Square envelopes are perfect for announcements, special events, corporate dinners, wedding reception invites, greeting cards, holiday cards, other invitations, direct mail, or general use. With a modern, square back flap and sleek design, these envelopes will compliment your stylish invitations, tasteful thank you cards, or meaningful notes. They are excellent for any formal or business occasion and also work well as shipping envelopes for a variety of small or flat items. You can’t go wrong with such a versatile choice. Best of all, these envelopes feature a peel-and-press sealing method! Simply remove the adhesive strip on the inside of the back flap and press down to seal your envelopes. You’ll get a great seal every time, no moistening required. The 70 lb. text-weight envelopes are an excellent choice because they are durable and will protect whatever you use them for. The sturdy and durable thickness of the envelopes in this 50 pack makes them perfect for shipping long distances without bending or tearing. When printed on, LUX envelopes are complemented with a wide variety of ink colors. You won’t have to worry about paper jams, tears, or ink smears with these envelopes. These envelopes are also ideal for addressing notes and invitations by hand. Whether you use a gel pen or calligraphy pens, you’ll be impressed with the high-quality, smudge-resistant paper. These envelopes measure 8 1/2” x 8 1/2” (216 mm x 216 mm)..SQUARE ENVELOPES: Designed to fit our 8 1/4” x 8 1/4” card, these 8 1/2” x 8 1/2” envelopes are also.PEEL & PRESS SEAL: The self-seal design of these envelopes is perfect for anyone who doesn’t want to.PRINTABLE & CUSTOMIZABLE: If you want to customize or label your envelopes with zero hassle, you’re.RECYCLED, RUSTIC STYLE: If you enjoy a more rustic aesthetic, these Grocery Bag paper envelopes are a perfect choice. The high-quality construction and material combined with the recycled look of this paper will get your rustic-chic theme across. If brown isn’t the color you’re looking for, we have other classic options available..USE TO ACCOMPANY GIFTS: These small envelopes are constructed from heavyweight LUX paper stock, making them durable and perfect for a variety of occasions. Use these for square notes and cards to place on top of holiday gifts or even to accompany birthday, baby shower, bridal shower, Mother’s Day, Valentine’s Day, or wedding gifts.

Price is  $23.29
Unit of measure 50/Pack
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Staples Clasp & Moistenable Glue #15.5 Kraft Catalog Envelopes, 12" x 15.5", Brown, 100/Box (472902/19273) image 1
Item: 472902
Model: ST472902-CC

Reuse envelopes as needed with these Staples kraft brown clasp envelopes. Each envelope features a sturdy metal clasp and gumming to create an extra-strong seal, guarding privacy and protecting papers from damage and dirt. These Staples kraft brown clasp envelopes are produced with heavy-duty 28-pound kraft paper to provide durability, and they are sold in boxes of 100, so stocking up the office supply closet is easy..Catalog envelopes are a convenient and reliable choice for personal and business mailing purposes.Comes in brown and made of kraft.Dimensions: 12"L x 15.5"H; size #15.5.Clasp & moistenable glue for secured sealing.Envelopes come in boxes of 100, making them an easy and economical choice.Enjoy convenient, reusable packaging with this 100-pack of Staples kraft 12 x 15.5-inch brown clasp envelopes.

Price is  $37.79
Unit of measure 100/Box
Next-Day Delivery by tomorrow
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Packing List Envelope, 8 1/2" x 10", 1000/Carton (GSA30EL) image 1
Item: 948607
Model: GSA30EL

The Packing list envelope measuring 8 1/2" x 10" is printed with "Packing List Enclosed" text and has a fluorescent orange face. Envelope made of durable 2-mil poly features hot melt adhesive backing, sold as 1000 per case..Protect documents during shipping..Full face, fluorescent orange Packing List Envelopes are pre-printed with "Packing List Enclosed" on heavy 2 Mil poly..Hot melt adhesive backing provides strong adhesion to paper and corrugated products..Envelopes open along the first dimension..Pressure sensitive Packing List Envelope secures and protects documents that are attached to the outside of shipments.

Price is  $276.89
Unit of measure 1000/Carton
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10" x 6" x 4" Crush-Proof Mailer, White, 50/Bundle (M1064) image 1
Item: 947412
Model: M1064

Use the Partners Brand Corrugated Mailers for storing inventory items or shipping merchandise safely. Crush resistant mailer folds to provide double walls of protection on front and sides..Corrugated Mailers are super strong yet lightweight to save on postage..Perfect for shipping small, lightweight fragile items..Manufactured from ECT-32-B, white corrugated..These one-piece mailers fold together in seconds..Crush resistant mailers fold to provide double walls of protection on front and sides..No tape, glue or staples needed..White Crush-Proof Corrugated Mailer is super strong yet light-weight to save on postage.

Price is  $97.79
Unit of measure 50/Bundle
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9" x 11.5" Peel & Seal Fiberboard Mailers, 25/Box (64014) image 1
Item: 813415
Model: QUA64014

Protect items from getting damaged with these Quality Park Redi-Strip photo and document envelopes. Each envelope is made from durable 100-percent recycled fiberboard, making them environmentally friendly, while their convenient Redi-Strip features a non-moisture sealing as well as a tear-string for simple opening. These Quality Park Redi-Strip photo and document envelopes are made with 26-point white fiberboard, providing sturdy protection while shipping photos and documents..Overall mailer dimensions: 9"W x 11.5"L.Simply peel off the adhesive strip and press to seal.Constructed from heavy-duty fiberboard and comes in white.Convenient 25 mailers per box.Ideal for safety shipment or storage of photos, certificates, etc..Protect photos and other delicate documents with this 25-pack of Quality Park Redi-Strip 9 x 11.5-inch paperboard white photo and document envelopes.

Price is  $39.09
Unit of measure 25/Box
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Staples Clasp & Moistenable Glue Kraft Catalog Envelope, 11 1/2" x 14 1/2", Brown, 100/Box (ST17748-CC) image 1
Item: 535039
Model: ST17748-CC

Send oversized documents and literature with these brown clasp envelopes. Each one has a sturdy metal clasp that lets you reuse it again and again, while the heavily gummed flap ensures a tight seal. These Staples kraft clasp envelopes are constructed with 28-pound kraft paper for strong durability that protects against damage and moisture while providing a professional look..Catalog envelope is perfect for internal mail, brochures, and documents.Comes in brown and made of kraft.Dimensions: 11.5"L x 14.5"H.Clasp & moistenable glue for secured sealing.Envelopes come in boxes of 100, making them an easy and economical choice.Mail calendars, magazines and other oversized literature with this 100-pack of Staples 11.5 x 14.5-inch brown clasp kraft envelopes.

Price is  $67.19
Unit of measure 100/Box
Next-Day Delivery by tomorrow
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74

About Strong Mailing Envelopes

Strong mailing envelopes are essential for securely sending documents, packages, and other important items through the mail. Designed to withstand the rigors of shipping, these envelopes provide reliable protection against tearing, punctures, and moisture, ensuring that your contents arrive safely at their destination.

Available in various sizes and materials, strong mailing envelopes cater to a wide range of mailing needs, from business correspondence to personal letters. Their durability and secure sealing options make them a preferred choice for both individuals and businesses looking to ensure their mail is well-protected.

When choosing strong mailing envelopes, consider features such as the type of closure, material, and size. Options like self-adhesive seals and gummed flaps offer convenience and ease of use, while sturdy materials like Kraft and Tyvek provide enhanced durability for heavier items.

Additionally, look for envelopes that offer a variety of sizes to accommodate different mailing requirements. Whether you need a compact envelope for documents or a larger option for catalogs and brochures, strong mailing envelopes are designed to meet your specific needs while ensuring your items are secure during transit.

What are strong mailing envelopes used for?

  • Strong mailing envelopes are used for sending documents, packages, and other items securely through the mail. They are designed to protect contents from damage during transit.

What materials are strong mailing envelopes made from?

  • Strong mailing envelopes are typically made from durable materials such as Kraft paper, Tyvek, or plastic. These materials provide resistance to tearing and moisture, ensuring the safety of the contents.

What types of closures do strong mailing envelopes have?

  • Strong mailing envelopes can feature various closures, including self-adhesive seals, gummed flaps, and clasp closures. Each type offers different levels of security and ease of use for mailing.

Are strong mailing envelopes waterproof?

  • Some strong mailing envelopes, particularly those made from Tyvek or certain plastic materials, are designed to be waterproof or water-resistant. This feature helps protect contents from moisture during shipping.

Can strong mailing envelopes be reused?

  • While strong mailing envelopes are primarily designed for single use, some types, especially those with clasp closures, can be reused if they remain in good condition. However, it's important to ensure that any previous labels or markings are removed before reusing.

What sizes do strong mailing envelopes come in?

  • Strong mailing envelopes come in a variety of sizes to accommodate different mailing needs, ranging from small business envelopes to larger catalog and package sizes. This variety allows for flexibility in choosing the right envelope for your specific items.