Strong Mailing Envelopes

200 results
7" x 5" Crush-Proof Mailer, Kraft, 50/Bundle (M755K) image 1
Item: 24323820
Model: M755K

7 x 5 x 5" Kraft Corrugated Mailers. Kraft Corrugated Mailers are light-weight to save on postage. Perfect for shipping small, light-weight fragile items. Corrugated Mailers are manufactured from 200#/ECT-32-B kraft corrugated. Crush resistant mailers fold to provide double walls of protection on front and sides. No tape, glue or staples needed..Perfect for shipping small, light-weight fragile items..Corrugated Mailers are manufactured from 200#.ECT-32-B kraft corrugated..Crush resistant mailers fold to provide double walls of protection on front and sides..No tape, glue or staples needed..Kraft Corrugated Mailers are light-weight to save on postage.

Price is  $68.99
Unit of measure 50/Bundle
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JAM Paper® Stay-Flat Photo Mailer Envelopes, 6 x 8, Brown Kraft, Self-Adhesive Closure, 6 Rigid Mailers/Pack (8866640B) image 1
Item: 2103160
Model: 8866640B

JAM Paper® Recycled Photo Mailer Envelopes are perfect for mailing pictures, artwork, and important documents to keep them in perfect condition. They are made of 130lb cardstock, so they won't bend and they feature an easy-to-use self-adhesive closure. Measuring 6 x 8 inches, these mailers are perfect for sending regular sized documents. The Brown Kraft color makes these envelopes for both personal and professional use alike. These envelopes are available in packs of 6..These Mailers are the perfect way to protect photos and safely send them through the mail!.Brown Kraft Photo Mailers.Size: 6 x 8 inches.Features a self-adhesive strip for quick and easy closure & is made from 100% recycled content.These photo mailing envelopes are available in a variety of sizes..Quantity: 6 Mailers per Pack.JAM Paper® Photo Mailer Envelopes will keep your print photos safe in the mail!

Price is  $23.49
Unit of measure 6/Pack
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7" x 5" Crush-Proof Mailer, 50/Bundle (M755) image 1
Item: 831813
Model: M755

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..Partners Brand Corrugated Mailers are super strong yet light-weight to save on postage.

Price is  $80.49
Unit of measure 50/Bundle
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Staples EasyClose Self Seal #10 Business Envelopes, 4 1/8" x 9 1/2", Assorted Pastels, 50/Pack (23425) image 1
Item: 122726
Model: ST23425-CC

Ensure invitations, notices and other correspondence arrives safely with these assorted-color #10 envelopes. Each envelope has a QuickStrip adhesive closure that is quick and easy to use for sealing contents securely inside, while the 24-pound paper helps prevent rips and tears. These Staples EasyClose #10 envelopes come in assorted colors for categorizing or simply brightening up your outgoing mail..US #10 business envelopes are suitable for many mailing projects.The assortment of colors allows you to color-code or simply add some color to mailings.These envelopes measure 4 1/8"H x 9 1/2"W in size, providing enough space for your mail.EasyClose closure with square flap seals securely without moistening.50 envelopes per pack.Envelopes contain 0% recycled content.Tear-resistant envelope provides extra security for item being shipped.The flap is on the long side for easier filling.Give color to outgoing mail with this 50-pack of Staples EasyClose 4-1/8" x 9-1/2" assorted-color #10 envelopes.

Price is  $11.49
Unit of measure 50/Pack
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JAM Paper® Stay-Flat Photo Mailer Envelopes, 11 x 13.5, Brown Kraft, Self-Adhesive Closure, Sold Individually (8866644) image 1
Item: 262789
Model: 8866644

JAM Paper® Brown Kraft Recycled Photo Mailer Envelope with Peel and Seal Closure is perfect for mailing photos over long distances or for keeping them safe in storage! Each envelope is about 11 x 13 inches in size, is made of sturdy cardstock and features a fold over, peel and seal closure to prevent any of the envelope's contents from falling out during transport. Whether you are a professional photographer or the relative who was designated to collect visual documentation at the last family reunion, this mailer will keep your photos protected from scratches or dents during their journey through the postal service to any recipient, anywhere. There is nothing like a hard-copy photo to preserve a memory, and memories are made to be shared. Share them reliably and easily with this durable mailer! (Sold Individually).Size: 11" x 13 1/2".Closure: Peel & seal.Envelopes open on small side.Made with classic brown kraft cardboard to keep pictures and artwork protected.Items in bulk will take less time to send more efficiently.JAM Paper® Brown kraft envelope of dimension 11" x 13 1/2" is suitable to send many items in bulk and keeps pictures or artwork protected with its self adhesive property.

Price is  $5.69
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Staples Gummed Kraft Catalog Envelopes, 6.5" x 9.5", Brown, 100/Box (SPL534701) image 1
Item: 534701
Model: ST50162-CC

Ensure vital documents get to their destination safely with this 100-pack of Staples brown kraft catalog envelopes. Each envelope has a strong strip of adhesive on the back flap, helping ensure privacy, secure transportation and document protection. These Staples brown kraft catalog envelopes feature 28-pound paper constructed from recycled content to provide rugged durability while minimizing harm to the environment..Catalog envelopes are a convenient and reliable choice for personal and business mailing purposes.Comes in brown and made of kraft.Dimensions: 6.5"L x 9.5"H; size #1.75.Gummed Seal for secured sealing.Envelopes come in boxes of 100, making them an easy and economical choice.Transport vital documents securely with this 100-pack of Staples 6.5 x 9.5-inch brown kraft catalog envelopes.

Price is  $34.89
Unit of measure 100/Box
Next-Day Delivery by tomorrow
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15" x 7" Crush-Proof Mailer, White, 50/Bundle (M1575) image 1
Item: 2301184
Model: M1575

15" x 7" x 5" Corrugated Mailers. Corrugated Mailers are super strong yet light-weight to save on postage. Perfect for shipping small, light-weight fragile items. Corrugated Mailers are manufactured from 200#/ECT32-B oyster white corrugated. Crush resistant mailer folds to provide double walls of protection on front and sides. Unique "Wave-Rule" edge virtually eliminates paper cuts. These one piece mailers fold together in seconds. No tape, glue or staples needed. All ship and store flat to save space..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..Corrugated Mailers are super strong yet light-weight to save on postage.

Price is  $169.89
Unit of measure 50/Bundle
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Quality Park USPS First Class Self-Adhesive Mailer Envelope, #98, Green/White, 10" x 15", 100/Box (QUAR1670) image 1
Item: QUAR1670
Model: QUAR1670

Survivor 10" x 15" DuPont Tyvek First Class Border Catalog Mailer with Self Sealing Closure, 14 lb., Puncture, Tear and Moisture Resistant, 100 per Box .Send important documents with the confidence you get from Tyvek Mailers..For bulky mailings that need extra protection.Convenient Flap-Stik closure.Tyvek provides extra protection from punctures, tears and moisture.Envelopes made of DuPont Tyvek won't rip, tear or puncture.Envelopes made of DuPont Tyvek won't rip, tear or puncture.Much stronger and more secure than traditional paper envelopes.Water and moisture resistant.Lightweight to save on postage costs.Easy to use.Peel and seal.Environmentally safe Tyvek contains 25% post-consumer recycled content.Patented release strip makes envelopes easy to open.First class.Open-ended

Price is  $156.99
Unit of measure Box
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8" x 5" Crush-Proof Mailer, White, 50/Bundle (M852) image 1
Item: 947452
Model: M852

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  $64.59
Unit of measure 50/Bundle
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Staples Gummed Kraft Catalog Envelopes, 9.5"L x 12.5"H, Brown, 100/Box (SPL534743) image 1
Item: 534743
Model: ST50194-CC

Messenger or mail your letter-sized or smaller documents without having to fold them with these Staple catalog envelopes. The 28-pound paper weight makes them extra strong, keeping them from tearing or bending while also protecting your documents from damage while in transit. These Staples catalog envelopes feature a heavily gummed flap, helping ensure document security while they pass from office to office..Catalog envelopes are perfect for catalogs, brochures, and documents.Made from brown kraft paper that conceals contents from prying eyes.Dimensions: 9.5"L x 12.5"H, size #12.5.The gummed flap closure keeps your documents secured inside the envelope.Envelopes come in boxes of 100.Ship your unfolded documents securely with these Staple 9.5 x 12.5-inch brown kraft gummed-flap catalog envelopes.

Price is  $28.79
Unit of measure 100/Box
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Staples Self Seal Kraft Catalog Envelopes, 9.5"L x 12.5"H, Brown, 100/Box (SPL381962) image 1
Item: 381962
Model: ST50195

Send catalogs and paperwork confidently by using these self-sealing catalog envelopes. Each envelope is constructed with heavy-duty 28-pound kraft paper to help keep contents in top condition, while the adhesive strips on the flap let you create a tight seal without moisture. These Staples kraft catalog envelopes come in boxes of 100, making them ideal for large and busy workplaces..Catalog envelopes are perfect for catalogs, brochures, and documents.Made from brown kraft paper that conceals contents from prying eyes.Dimensions: 9.5"L x 12.5"H, size #12.5.Self seal for secured sealing.Envelopes come in boxes of 100.Ensure customers receive clean, undamaged catalogs and brochures with this 100-pack of Staples kraft self-sealing catalog envelopes.

Price is  $46.89
Unit of measure 100/Box
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Staples Tyvek EasyClose Catalog Envelopes, 10"L x 13"H, White with Green Diamond Border, 100/Box (ST19855-CC) image 1
Item: 534966
Model: ST19855-CC

Identify first class mail with ease by using these Staples Tyvek EasyClose first-class catalog envelopes. Each of these envelopes has an EasyClose design that lets you seal contents safely away without a sponge or water, while the reinforced construction offers strong durability. These Staples EasyClose first-class catalog envelopes come with 100 units in every box..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 first class mail is easy to identify with this 100-pack of Staples Tyvek EasyClose 10 x 13-inch first-class catalog envelopes.

Price is  $77.39
Unit of measure 100/Box
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Staples Kraft Catalog Envelopes, 6" x 9", Manila, 100/Box (918765/19381) image 1
Item: 918765
Model: ST918765-CC

Send catalogs or substantial paperwork and files with this 100-count box of Staples clasp envelopes. The gummed flap and metal clasp provide secure closure to remain sealed during shipping, and these 100 neutral manila envelopes are ideal for business mailing tasks. The 32-pound stock of these Staples clasp envelopes is strong and durable to support large or heavy files and books..Envelopes are perfect for filing, mailing, and storing important documents and reports.Made of manila.Dimensions: 6"L x 9"H.Gummed flap and clasp closure keeps your documents secured inside the envelope.Envelopes come in boxes of 100, making them an easy and economical choice.Ship files or weighty documents with this 100-count box of Staples extra-heavyweight 6 x 9-inch manila clasp envelopes.

Price is  $20.09
Unit of measure 100/Box
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Staples Self Seal Kraft Catalog Envelopes, 7.5"L x 10.5"H, Brown, 100/Box (534792/17105) image 1
Item: 534792
Model: ST534792-CC

Protect your company's brochures, booklets and look books during shipping with these Staples kraft catalog envelopes. The self-sealing closures keep items safely tucked inside, while the blank design offers a neutral background for mailing labels, postage stamps and custom business logos. These Staples kraft catalog envelopes come in a convenient 100-count pack, making them ideal for bulk mailing projects..Catalog envelopes are perfect for catalogs, documents, and invoices.Made from brown kraft paper that conceals contents from prying eyes.Dimensions: 7.5"L x 10.5"H, size #6.Self seal for secured sealing.Envelopes come in boxes of 100.20% recycled paper for eco-friendly document mailing.Mail marketing materials to clients or vendors with these Staples 7.5 x 10.5 kraft self-sealing catalog envelopes.

Price is  $34.59
Unit of measure 100/Box
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Staples Self Seal Catalog Envelopes, 9"L x 12"H, White, 100/Box (19295VP) image 1
Item: 260612
Model: ST19295VP-CC

Protect large items of outgoing mail with these Staples white wove self-sealing catalog envelopes. Each envelope is manufactured with 28-pound white wove material that provides durability and high-contrast for dark labels and text, making addresses easy to read. These Staples white wove self-sealing catalog envelopes are extra-large, so you can ship or store catalogs, brochures and statements without folding..Catalog envelopes are a reliable choice for multiple kinds of personal and business mailing purposes.White paper shows labeling and writing clear and concise.Dimensions: 9"L x 12"H, size #10.Self-sealing closure quickly and easily secures your mail.Envelopes come in boxes of 100, making them an easy, and economical choice for the business that needs to spend wisely without sacrificing quality.Make addresses stand out with this 100-pack of Staples 9 x 12-inch white wove self-sealing catalog envelopes.

Price is  $53.09
Unit of measure 100/Box
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10" x 7" Crush-Proof Mailer, White, 50/Bundle (M1076) image 1
Item: 2301206
Model: M1076

10" x 7" x 6" Corrugated Mailers. Corrugated Mailers are super strong yet light-weight to save on postage. Perfect for shipping small, light-weight fragile items. Corrugated Mailers are manufactured from 200#/ECT32-B oyster white corrugated. Crush resistant mailer folds to provide double walls of protection on front and sides. Unique "Wave-Rule" edge virtually eliminates paper cuts. These one piece mailers fold together in seconds. No tape, glue or staples needed. All ship and store flat to save space..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..Corrugated Mailers are super strong yet light-weight to save on postage.

Price is  $132.99
Unit of measure 50/Bundle
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10" x 6" Crush-Proof Mailer, Kraft, 50/Bundle (M1066K) image 1
Item: 24323824
Model: M1066K

10 x 6 x 6" Kraft Corrugated Mailers. Kraft Corrugated Mailers are light-weight to save on postage. Perfect for shipping small, light-weight fragile items. Corrugated Mailers are manufactured from 200#/ECT-32-B kraft corrugated. Crush resistant mailers fold to provide double walls of protection on front and sides. No tape, glue or staples needed..Kraft Corrugated Mailers are lightweight to save on postage..Perfect for shipping small, fragile items such as tools, glassware or products..Manufactured from ECT-32-B, kraft corrugated..Crush resistant mailers fold to provide double walls of protection on front and sides..These one-piece mailers fold together in seconds..No tape, glue or staples are needed..All sizes ship and store flat to save space..Kraft Corrugated Mailers are light-weight to save on postage.

Price is  $109.29
Unit of measure 50/Bundle
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7" x 4" Crush-Proof Mailer, White, 50/Bundle (M742) image 1
Item: 559028
Model: M742

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..Partners Brand Corrugated Mailers are super strong yet light-weight to save on postage.

Price is  $55.59
Unit of measure 50/Bundle
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Staples First Class EasyClose Catalog Envelopes, 9"L x 12"H, White and Green, 100/Box (SPL486929) image 1
Item: 486929
Model: ST50191-CC

Mail reports, brochures or documents in these first-class envelopes. Each one in this 100-pack is clearly marked with a green border and a label for first-class shipping, and it features EasyClose strips that let you simply peel and press for secure closure. Made from 28-pound white woven material, these Staples EasyClose catalog envelopes are durable for mailing larger items..Catalog envelopes are a reliable choice for multiple kinds of personal and business mailing purposes.White paper shows labeling and writing clear and concise.Dimensions: 9"L x 12"H, size #10.EasyClose peel-and-stick closures speed up mail preparation time, and keep contents 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.Ship catalogs and documents with this 100-count box of Staples EasyClose 9 x 12-inch first-class catalog envelopes.

Price is  $38.79
Unit of measure 100/Box
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Staples Self Seal Catalog Envelopes, 10"L x 13"H, White, 100/Box (21571) image 1
Item: 329850
Model: ST21571-CC

Ship marketing materials without having to fold them with these white tear-resistant catalog envelopes. Each one resists tears, punctures and moisture thanks to the 28-pound wove material, and the self-seal closure feature helps secure contents. These Staples white tear-resistant catalog envelopes have perforated seals to alert you of tampering and a tinted interior to prevent third parties from seeing the contents..Catalog envelopes are perfect for catalogs, brochures, and leaflets.Durable, lightweight, and tear-resistant 10gsm woven paper..Dimensions: 10"L x 13"H, size #13.Self seal for secured sealing.Envelopes come in boxes of 100.Make shipping marketing materials easy with these Staples 10 x 13-inch white tear-resistant catalog envelopes.

Price is  $88.29
Unit of measure 100/Box
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Staples Self Seal Kraft Catalog Envelopes, 9"L x 12"H, Brown, 100/Box (534800/17104) image 1
Item: 534800
Model: ST534800-CC

Be confident that promotional material reaches customers safely with this 100-pack of self-sealing catalog envelopes. These envelopes are large enough to accommodate letter-sized materials without having to fold or bend them, while the 28-pound kraft stock ensures contents are safe from damage, dirt and moisture. These Staples brown kraft catalog envelopes have a self-sealing design that makes them easy to close..Catalog envelopes are a reliable choice for multiple kinds of personal and business mailing purposes.Made from brown kraft paper that conceals contents from prying eyes.Dimensions: 9"L x 12"H, size #10.Self-sealing closure quickly and easily secures your mail.Envelopes come in boxes of 100, 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.Mail promotional material safely with this 100-pack of Staples kraft 9 x 12-inch brown self-sealing catalog envelopes.

Price is  $33.19
Unit of measure 100/Box
Next-Day Delivery by tomorrow
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Staples Kraft Clasp & Moistenable Glue Catalog Envelopes, 10" x 13", Brown Kraft, 12/Pack (ST19005/19005) image 1
Item: 594413
Model: ST19005/19005

Store bundles of documents together in these brown clasp envelopes. Strong 28-pound kraft stock ensures contents are safe from water, tears and punctures, while the sturdy metal clasp enhances the strength of the seal and lets you reuse it as desired to save on supplies. These Staples kraft envelopes are large enough to hold letter-size documents without folding..Catalog envelopes are 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"W x 13"H, size #13.Gummed and clasp closures keeps your documents secured inside the envelope.Since this set includes 12 pieces per pack, you're guaranteed to have plenty of envelopes for all of your home or office mailing needs.20% post-consumer content for eco-friendliness.Reusable for efficient, long-lasting use.Send oversize documents safely through the mail with this 12-pack of Staples 10 x 13-inch brown kraft clasp envelopes.

Price is  $8.89
Unit of measure 12/Pack
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Staples Self Seal Kraft Catalog Envelopes, 10"L x 13"H, Brown, 100/Box (534818/19022) image 1
Item: 534818
Model: ST534818-CC

Ship magazines and documents securely with these self-sealing catalog envelopes. Each envelope has a self-sealing design that doesn't require moisture, so you can seal contents safely simply by pressing together the gummed strips. These Staples self-sealing catalog envelopes are constructed with 28-pound kraft paper, so they're thick enough to prevent papers from getting damaged or bent while being shipped..Catalog envelopes are 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 13"H, size #13.Self-sealing closure quickly and easily secures your mail.Envelopes come in boxes of 100, 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.Safely mail documents and magazines with this 100-pack of Staples 10 x 13-inch brown kraft self-sealing catalog envelopes.

Price is  $57.49
Unit of measure 100/Box
Next-Day Delivery by tomorrow
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Staples QuickStrip EasyClose Kraft Self Seal Catalog Envelopes, 9" x 12", Brown, 100/Box (ST381970-CC) image 1
Item: 381970
Model: ST381970-CC

Make mailers look professional and ensure they arrive intact with this box of 100 brown catalog envelopes. Ideal for shipping a variety of professional documents, these envelopes easily accommodate large materials and keep shipped items safe and dry with their 28-pound kraft material. These Staples kraft catalog envelopes feature EasyClose flaps that provide reliable seals without the need for moisture..PACKAGING MAY VARY, SAME GREAT PRODUCT..Catalog envelopes are a reliable choice for multiple kinds of personal and business mailing purposes.Made from brown kraft paper that conceals contents from prying eyes.Dimensions: 9"L x 12"H.EasyClose peel-and-stick closures speed up mail preparation time, and keep contents 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.Mail brochures, invoices and other professional documents with this box of 100 Staples EasyClose brown kraft catalog envelopes.

Price is  $25.99
Unit of measure 100/Box
Next-Day Delivery by tomorrow
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Staples EasyClose #9 Business Envelopes, 3 7/8" x 8 7/8", White, 500/Box (570235N) image 1
Item: 570235
Model: ST570235N-CC

Handle mass mailings swiftly and efficiently with these Staples EasyClose envelopes. Featuring QuickStrip peel-and-seal closures for instant sealing without water, these envelopes are made out of tough 24-pound paper that keeps the contents inside safe during transit. These Staples EasyClose envelopes come in a box of 500, helping make sure that you have plenty on hand when it's time to kick off your mailing..US #9 business envelopes are suitable for many mailing projects.Made from white 24 lb. paper for durability.These envelopes measure 3 7/8"H x 8 7/8"L in size, providing enough space for your mail.EasyClose closure with square flap seals securely without moistening.500 envelopes per box.The flap is on the long side for easier filling.Seal and ship important documents quickly with these Staples EasyClose #9 envelopes.

Price is  $34.99
Unit of measure 500/Box
Next-Day Delivery by tomorrow
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Staples Gummed Kraft Catalog Envelopes, 11.5" x 14.5", Brown, 100/Box (SPL534776) image 1
Item: 534776
Model: ST19821

Send invoices, reports and magazines in these brown catalog envelopes. Each one has a heavily gummed flap to provide a strong seal, and the 28-pound kraft paper offers additional durability, so whatever you put inside stays safe while being shipped or stored. These Staples kraft catalog envelopes come in boxes of 100, so there's enough to take on large shipping tasks..Catalog envelopes are a convenient and reliable choice for personal and business mailing purposes.Comes in brown and made of kraft.Dimensions: 11.5"L x 14.5"H.Gummed flap closure keeps your documents secured inside the envelope.Envelopes come in boxes of 100, making them an easy and economical choice.Keep magazines, reports and invoices clean and neat by using this 100-pack of Staples kraft 11.5 x 14.5-inch brown catalog envelopes.

Price is  $55.09
Unit of measure 100/Box
Next-Day Delivery by tomorrow
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Staples QuickStrip EasyClose Self Seal #10 Business Envelopes, 4 1/8" x 9 1/2", Assorted Colors, 50/Pack (ST23431-CC) image 1
Item: 122725
Model: ST23431-CC

Mail letters, invoices and other types of correspondence with these EasyClose envelopes. The peel-and-seal closures keep items securely stored inside, while the bright neon colors call attention to your mailings. Each envelope features sturdy 24-pound paper weight construction to withstand the rigors of mail handling. With 50 envelopes in each pack, these Staples EasyClose #10 envelopes offer a steady supply for your office's mailing needs..US #10 business envelopes are suitable for many mailing projects.The assortment of colors allows you to color-code or simply add some color to mailings.These envelopes measure 4 1/8"H x 9 1/2"L in size, providing enough space for your mail.EasyClose closure with wallet flap seals securely without moistening.50 envelopes per pack.Envelopes contain 0% recycled content.Tear-resistant envelope provides extra security for item being shipped.The flap is on the long side for easier filling.Help your mailings stand out with these Staples EasyClose neon Brights assorted color #10 envelopes.

Price is  $11.49
Unit of measure 50/Pack
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Staples Self Seal Self Seal Security Tinted #10 Business Envelopes, 4 1/8" x 9 1/2", White, 500/Box (ST511289-CC) image 1
Item: 511289
Model: ST511289-CC

Keep marketing materials, statements, and other business mailings intact with this box of 500 self-sealing security-tint envelopes. The 24-pound white weave construction gives these envelopes the durability to keep mailed items safe, while the security tint keeps sensitive information confidential while in transit. These Staples self-sealing security-tint envelopes help you complete mailings quickly with easy-to-use press-and-seal adhesive tabs..US #10 business envelopes are suitable for all your mailing needs.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.Self-seal closure with square flap seals securely without moistening.Security-tinted pattern helps to discourage reading sensitive information through the outside of the envelope.Convenient box of 500 envelopes ensures ample supply.The flap is on the long side for easier filling.Easily handle large business mailings with this box of 500 Staples 4.125 x 9.5-inch white self-sealing security-tint envelopes.

Price is  $30.99
Unit of measure 500/Box
Next-Day Delivery by tomorrow
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159
Staples Clasp & Moistenable Glue Kraft Catalog Envelopes, 7.5"L x 10.5"H, Brown, 100/Box (233577/19268) image 1
Item: 233577
Model: ST233577-CC

Protect documents while shipping or storing them with these Staples kraft brown clasp envelopes. Each envelope has a moistenable glue closure that offers a tight seal, while the sturdy metal clasp lets you reuse them as often as needed. These Staples kraft brown clasp envelopes are crafted with strong 28-pound kraft to provide durability while giving mail a professional appearance..Catalog envelopes are a reliable choice for multiple kinds of personal and business mailing purposes.Made from brown kraft paper that conceals contents from prying eyes.Dimensions: 7.5"L x 10.5"H, size #6.Clasp & moistenable glue for secured sealing.Envelopes come in boxes of 100.Keep documents secure with this 100-pack of Staples kraft 7.5 x 10.5-inch brown clasp envelopes.

Price is  $32.99
Unit of measure 100/Box
Next-Day Delivery by tomorrow
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Staples Kraft Clasp & Moistenable Glue Catalog Envelopes, 10" x 13", Brown, 100/Box (ST187039-CC) image 1
Item: 187039
Model: ST187039-CC

Ensure documents are protected with these clasp closure envelopes. Each envelope has a strong metal clasp that provides additional sealing strength and lets you reuse it as often as needed, while the 28-pound kraft stock provides durability and a professional appearance. These Staples clasp closure kraft envelopes come in a box of 100 units, so there's plenty to tackle high-volume mailing jobs..Catalog envelopes are 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 13"H, size #13.Gummed and clasp closures keeps your documents secured inside the envelope.Envelopes come in boxes of 100, making them an easy, and economical choice for the business that needs to spend wisely without sacrificing quality.Protect documents with this 100-pack of Staples 10 x 13-inch clasp closure kraft envelopes.

Price is  $35.99
Unit of measure 100/Box
Next-Day Delivery by tomorrow
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1018
JAM Paper 5.5 x 7.5 Foil Envelopes with Zip Closure, Gold, 25/Pack (1417050) image 1
Item: 24295167
Model: 1417050

Foil the plans of all of those who try to dim your shining brilliance and to thwart your plans for festive events with JAM Paper® Gold Foil Envelopes with Zip Lock Closures! These envelopes are made from smooth plastic and measure 5.5 x 7.5 inches in size. This pack contains a total of 25 envelopes! Each one features a shining gold foil color! These pouch style envelopes will shine with elegance during the holiday season, a wedding, or any other anticipated celebration. Each of features a plastic press zipper closure to keep contents secure. Use them for party favors, stocking stuffers, cards, and more! Size: 5.5in x 7.5in | Color: Gold | Quantity: 25/pack.Color: Gold Foil.Size: 5 1/2" x 7 1/2".Quantity: 25 per pack.Made from heavy-duty tear-proof plastic foil..Features a convenient zipper closure for easy access..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  $33.99
Unit of measure 25/Pack
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Southworth® Exceptional Envelopes, #10, 24 lb., White image 1
Item: 168237
Model: R14-10

24 lb..100% cotton.#10, 4 1/8" x 9 1/2".Watermarked, white wove finish.Strength and durability to withstand years of wear and tear.Acid free, archive safe - won't yellow or crumble over time.Laser, inkjet and copier guaranteed

Price is  $3.59
Unit of measure 25/Pack
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Quality Park Self Seal Kraft Catalog Envelopes, 9"L x 12"H, Kraft, 25/Box (QUA93334) image 1
Item: 445595
Model: QUA93334

Protect mail, files, contracts, and other important documents from moisture, tearing, and other damage during shipping and transit with these catalog envelopes. The self-seal closure allows for easy sealing without using moisture, and the 40-pound kraft material construction offers durability and added protection for contents. These Quality Part Redi-Strip kraft catalog envelopes are sold in a box of 25, perfect for small businesses and publishing companies..Expansion envelopes offer security for bulky mailings.Made from extra heavyweight 40 lbs. brown kraft stock to maintain durability during transit.Dimensions: 9"L x 12"H.Redi-strip self-seal closure provides a clean, quick seal immediately upon contact, the peel-off strip protects the adhesive from dust for a longer shelf life.Gusseted sides expand up to 2" to accommodate extra-thick mailings.Envelopes come in boxes of 25, making them an easy and economical choice for the business that needs to spend wisely without sacrificing quality.Keep mail and other important documents secure with these Quality Park self-seal catalog envelopes.

Price is  $101.49
Unit of measure 25/Box
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9" x 5" Crush-Proof Mailer, White, 50/Bundle (M954) image 1
Item: 947464
Model: M954

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  $114.39
Unit of measure 50/Bundle
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Staples EasyClose Self Seal #10 1/2 Kraft Catalog Envelope, 9" x 12", Brown, 250/Box (ST479888-CC) image 1
Item: 479888
Model: ST479888-CC

Seal contents safely within these kraft brown catalog envelopes. These envelopes are constructed with 28-pound kraft paper to help prevent damage from puncturing and ripping, and they come in a 250-pack, making them an ideal pick for large mailing tasks. These Staples 9 x 12-inch catalog envelopes have an EasyClose feature that lets you seal them without water..Catalog envelopes are perfect for books and promotional materials.Made from brown kraft paper that conceals contents from prying eyes.Dimensions: 9"L x 12"H, size #10.EasyClose peel-and-stick closures speed up mail preparation time, and keep contents sealed for safety and convenience.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.20% total recycled content.Close envelopes with ease by using this 250-pack of Staples EasyClose 9 x 12-inch kraft brown catalog envelopes.

Price is  $66.29
Unit of measure 250/Box
Next-Day Delivery by tomorrow
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Staples QuickStrip EasyClose Self Seal #10 Business Envelopes, 4 1/8" x 9 1/2", White, 100/Box (ST50307-CC) image 1
Item: 394053
Model: ST50307-CC

Seal envelopes without difficulty by using these #10 envelopes. Each one features an EasyClose design that lets you simply pull the strip on the flap and press it closed, securing contents safely inside, while the 24-pound woven paper provides extra durability. These Staples EasyClose envelopes are matte white, offering a high-contrast background for dark text and labels, making them easy to read..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.Make sealing envelopes less of a chore with this 100-pack of Staples EasyClose #10 envelopes.

Price is  $11.49
Unit of measure 100/Box
Next-Day Delivery by tomorrow
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3613
JAM Paper #10 Kraft Business Envelope, 4 1/8" x 9 1/2", Brown Kraft, 50/Pack (3984I) image 1
Item: 24295335
Model: 3984I

Sturdy Envelopes For Your BusinessLook professional and make a strong statement for your business with the JAM Paper® #10 Brown Kraft Manila Business Envelopes. These professional booklet style envelopes are great for mailing checks, invoices, money, or a myriad of other important documents to other business professionals. This pack comes with 50 top quality envelopes. Each envelope measures 4.16 x 9.5 inches, a great amount of space for several standard sized documents. These envelopes are made from the highest quality 28 lb. paper and have a smooth finish. The commercial flap and gummed adhesive closure ensures all the documents you put inside stay that way!DetailsSize: 4.16 x 9.5 inchesColor: Brown Kraft ManilaQuantity: 50 Envelopes.Color: Brown Kraft Envelopes.Size: #10 (4 1/8 x 9 1/2) inches.50 envelopes per pack.Perfect for Greeting Cards, Invitations, Weddings or any announcement..These envelopes are perfect to use for sending invitations, greeting cards, RSVP's, thank you cards, gifts for birthdays, graduations, holidays and more.Jam Paper's Colorful Envelopes are a fun and colorful way to make your message stand out.

Price is  $14.39
Unit of measure 50/Pack
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Staples Kraft Clasp & Moistenable Glue Catalog Envelopes, 6" x 9", Brown, 100/Box (ST186999-CC) image 1
Item: 186999
Model: ST186999-CC

Keep literature clean and damage-free with this 100-pack of brown kraft clasp envelopes. Each one boasts a heavily gummed flap seal and a strong metal clasp to keep whatever you insert safe and sound while letting you reuse it as necessary. These Staples brown kraft clasp envelopes are built with 28-pound kraft stock to provide the durability required for safe shipping..PACKAGING MAY VARY, SAME GREAT PRODUCT..Booklets are perfect for sending contents you can't or shouldn't fold such as photographs and DVDs.Comes in brown and made of kraft.Dimensions: 6"L x 9"H; size #6.5.Clasp & moistenable glue for secured sealing.Envelopes come in boxes of 100, making them an easy and economical choice.Meets or exceeds SFI standard.Ensure marketing materials remain undamaged with this 100-pack of Staples 6 x 9-inch brown kraft clasp envelopes.

Price is  $20.19
Unit of measure 100/Box
Next-Day Delivery by tomorrow
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768
Staples EasyClose #10 Business Envelopes, 4 1/8" x 9 1/2", White, 25/Box (594410/19001) image 1
Item: 594410
Model: 50291/594410/19

These Staples QuickStrip envelopes require no water or sponges to seal, reducing the risk of damage to vital documents. The EasyClose flaps enable you to seal more envelopes within a shorter period as compared to traditional sealing methods. The self-adhesive strips are strong enough to ensure secure transportation of the enclosed documents. These envelopes are manufactured from 24-pound white woven paper, which withstands even the toughest handling. The woven paper is suitable for use with sticker labels and is ideal for hand addressing..Business envelopes ideal for general mailing needs.Made of white woven material that makes labeling easier.4-1/8”H x 9-1/2”W.EasyClose square flap for secure and convenient closure.Staples QuickStrip envelopes feature EasyClose flaps for secure closure

Price is  $6.79
Unit of measure 25/Pack
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Staples Self Seal Kraft Catalog Envelopes, 12" x 15.5", Brown, 100/Box (534826/17102) image 1
Item: 534826
Model: ST534826-CC

Ensure important documents arrive safe and sound with this box of 100 self-sealing catalog envelopes. These envelopes boast the capacity to accommodate a variety of documents and guard mailed items against tearing and moisture with their durable 28-pound brown kraft paper construction. Ideal for ensuring mailed materials reach their destinations, these Staples brown kraft catalog envelopes offer strong, reliable seals with self-sealing closures..Catalog envelope is perfect for photographs, documents, and folders.Comes in brown and made of kraft.Dimensions: 12"L x 15.5"H; size #15.5.Self seal for secured sealing.Envelopes come in boxes of 100, making them an easy and economical choice.20% recycled paper for eco-friendly document mailing.Keep official documents dry and undamaged in transit with this box of 100 Staples brown kraft self-sealing catalog envelopes.

Price is  $37.79
Unit of measure 100/Box
Next-Day Delivery by tomorrow
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7" x 9" Self-Sealing Fiberboard Mailer, 100/Carton (MJ2) image 1
Item: 24476691
Model: 70-9463

Mail Jacket mailer is strong, rigid paperboard packaging made of 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: 7" x 9".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 of 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  $44.29
Unit of measure 100/Carton
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9" x 4" Crush-Proof Mailer, 50/Bundle (M943) image 1
Item: 558955
Model: M943

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..Partners Brand Corrugated Mailers are super strong yet light-weight to save on postage.

Price is  $40.49
Unit of measure 50/Bundle
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9.5" x 13.5" Self-Sealing Padded Mailer, #5, White, 100/Carton (B807WSS) image 1
Item: 630718
Model: B807WSS

Ensure secure and professional shipping with these 9.5" x 13.5" Self-Sealing Padded Mailers, #5, in White. Designed with a durable outer layer and protective interior padding, these mailers help safeguard contents from impact and moisture during transit. The self-sealing adhesive strip provides a quick, tamper-evident closure, and each carton includes 100 mailers—ideal for e-commerce, office, and retail shipping needs..#4, 9-3/8" x 13-1/4".End flaps are coated with a natural rubber adhesive that only adheres to itself and keeps contents secure during shipping..Mailers feature peel and seal closure..Bags are both moisture and puncture resistant, with no additional cushioning needed..Premium white mailers provides a clean professional look..Sold 100 per case..Fiber cushioning expands as package is handled for consistent protection.Self-seal adhesive strip seals bag securely and provides a tamper-evident closure.Convenient pull tab tear strip allows for easy opening without damage to contents.Smooth interior lining allows for easy product insertion and removal.Recyclable, biodegradable and made from 100% recycled materials.Size: #4—9-1/2x14-1/2".QuickStrip closure is quick and easy to use - simply remove strip and press to close.90% recycled, 50% post consumer content.Staples Brand 100% Satisfaction Guaranteed

Price is  $101.49
Unit of measure 100/Carton
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Stayflats® Original Tab-Lock Mailers - 6" x 8" Kraft 100/CT ENVRM1SFK image 1
Item: 24409759
Model: RM1

Mailer features a reusable, economical locking tab closure with a 6 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..stay flat mailer.6x8.Kraft.chipboard

Price is  $33.29
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Staples Premium Gummed #10 Business Envelopes, 4 1/8" x 9 1/2", White, 500/Box (19264VP) image 1
Item: 321554
Model: ST19264VP-CC

Mail notices, invoices and other documents safely with these premium white diagonal-seam gummed #10 envelopes. Each envelope features a heavily gummed flap that makes it easy to seal contents safely away, while the 24-pound wove paper offers strong durability. These Staples premium diagonal-seam gummed envelopes come in a pack of 500, making them ideal for managing large shipping projects..US #10 business envelopes are suitable for many mailing projects.Made from white 24 lb. wove 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 commercial flap keeps contents in place.500 envelopes per box.The flap is on the long side for easier filling.Send invitations, notices and other correspondence with this 500-pack of Staples premium white diagonal-seam gummed #10 envelopes.

Price is  $27.69
Unit of measure 500/Box
Next-Day Delivery by tomorrow
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6" x 5" Crush-Proof Mailer, White, 50/Bundle (M655) image 1
Item: 947442
Model: M655

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  $91.89
Unit of measure 50/Bundle
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Quality Park Self Seal Kraft Catalog Envelopes, 10"L x 13"H, Brown, 25/Pack (QUA93336) image 1
Item: 445596
Model: QUA93336

Deliver bulky items and thick documents safely in these 10 x 13-inch envelopes. Each of these envelopes is made of durable, 40-pound kraft paper and expands up to two inches to accommodate large documents such as manuals, books, and catalogs. These envelopes seal with convenient and secure Redi-Strip closures for quick mail processing. This pack includes 25 Quality Park expansion envelopes perfect for small businesses, warehouses, and publishing companies..Catalog expansion envelopes offer security for bulky mailings.Made from extra-heavyweight 40 lbs. brown kraft stock to maintain durability during transit.Dimensions: 10"L x 13"H.Redi-strip self-seal closure provides a clean, quick seal immediately upon contact, the peel-off strip protects the adhesive from dust for a longer shelf life.Set includes 25 pieces per pack, giving you plenty of envelopes for all of your home or office mailing needs.Gusseted sides expand up to 2" to accommodate extra-thick mailings.Send large documents securely in these Quality Park expansion envelopes.

Price is  $67.49
Unit of measure 25/Pack
Next-Day Delivery by tomorrow
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Quality Park Self Seal Kraft Catalog Envelopes, 10"L x 15"H, Kraft, 25/Pack (QUA93338) image 1
Item: 445597
Model: QUA93338

Ensure your files, items, and other mailed contents are protected and secure with these brown kraft envelopes. Made of durable 40-pound kraft material, these envelopes protect contents from dirt, rips, moisture, and other damage during shipping and transit. These Quality Park self-seal envelopes are expandable for bulky mail including large files, books, and other media..Expansion envelopes offer security for bulky mailings.Made from extra heavyweight 40 lbs. brown kraft stock to maintain durability during transit.Dimensions: 10"L x 15"H.Redi-strip self-seal closure provides a clean, quick seal immediately upon contact, the peel-off strip protects the adhesive from dust for a longer shelf life.Gusseted sides expand up to 2" to accommodate extra-thick mailings.Set includes 25 pieces per pack, giving you plenty of envelopes for all of your home or office mailing needs.Secure contracts and other mail with these Quality Park self-seal catalog envelopes.

Price is  $53.59
Unit of measure 25/Pack
Next-Day Delivery by tomorrow
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10

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.