Strong Mailing Envelopes

200 results
18" x 24" Tab-Lock Mailers, Kraft, 50/Carton (RM11) image 1
Item: 24406313
Model: RM11

Mailer features a reusable, economical locking tab closure with a 18 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..Strong chipboard mailers protect photos and documents during shipping..Manufactured from .036 kraft chipboard..Lightweight to save on postage..No additional stiffeners needed..Tab lock closure.

Price is  $121.29
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JAM Paper #10 Booklet Foil Envelopes with Self-Adhesive Closure, 4.125 x 9.5, Blue, 25/Pack (1327705) image 1
Item: 260899
Model: 1327705

JAM Paper® Booklet Foil Envelopes with Self Adhesive Closure cater to a variety of occasions. With these blue foil water-resistant envelopes, your contents stay colorful and safe. Ideal for mailing flyers, invoices, invitations, and more! Can also be used as a unique pencil case at the office or school. Available in an assortment of colors and sizes that make it easy finding the perfect one to match any occasion! This pack contains 25 blue foil envelopes. Each envelope measures 4" x 9 1/2", has a booklet opening, straight flap, self adhesive strip closure, and shiny finish..Size: #10 (4 1/8" x 9 1/2").Closure: Peel and seal.Opening: Booklet.Material: Foil.Perfect for greeting cards, invitations, weddings or any announcement.25 envelopes per pack.JAM Paper® 4 1/8" x 9 1/2" Size 10 Booklet blue foil envelope in a pack of 25 is perfect for greeting cards, invitations, weddings or any announcements and is made up of strong plastic foil.

Price is  $46.99
Unit of measure 25/Pack
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7" x 5" Literature Mailer, 50/Bundle (M752) image 1
Item: 831815
Model: M752

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  $40.39
Unit of measure 50/Bundle
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12.75" x 15" Self-Sealing Fiberboard Mailer, White, 100/Carton (RM4SS) image 1
Item: 424857
Model: RM4SS

The 12-3/4" x 15" 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  $91.19
Unit of measure 100/Carton
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14" x 18" Self-Sealing Padded EverTec Mailer, #6, 25/Pack (4088360) image 1
Item: 24533471
Model: 4088360

Presenting the Pregis EverTec mailer: a durable, curbside-recyclable mailer that unlocks the power of paper. The EverTec is a cost-competitive mailer that matches lightweight, padded functionality with curbside recyclability for everything e-commerce..The only mailer that brings lightweight, strong, and flexible padded functionality and curbside recyclability to the marketplace.Features a self-sealing closure for secure mailing.No. 6 mailer provides lightweight protection for your products.Made of paper in kraft color.Eco-friendly materials and an easy pull-tear strip.Overall dimensions: 14" x 18".Padded construction with strong bottom and side heat sealing cushion the package for high-impact resistance.Highly puncture-resistant with flexible give to protect the precious cargo through every trip.Efficient box replacement: half the cost and effort of manual box applications, increasing warehouse efficiency.Curbside-recyclable, eliminates landfill waste by reducing damaged items, and creates a circular recycling stream, protecting what's inside and out.25 mailers per pack

Price is  $44.19
Unit of measure 25/Carton
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Quality Park Ship-Lite First Class Tyvek Catalog Envelopes, 9x12" image 1
Item: 456561
Model: QUAS3615

Envelopes are made of durable, reinforced, multi-layered paper material that resists moisture. Linen-like surface provides a professional look and is a strong, lightweight alternative to regular paper. Features the self-seal Flap-stik® closure and patente d easy-open design. Ideal for bulky mailings..Color: White.Envelope size: 9" x 12".Flap: Square.Closure type: Flip-Stik.Reinforced paper material has moisture-resistant, linen-like surface.First Class white.100 per box.Stronger and more durable than traditional paper envelopes.

Price is  $120.79
Unit of measure 100/Box
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JAM Paper 9" x 12" Open End Catalog Colored Envelopes with Clasp Closure, Orange Recycled, 10/Pack (92938B) image 1
Item: 38357
Model: 92938B

JAM Paper® Orange 9 x 12 Open End Catalog Envelopes with Clasp Closures are made out smooth, high quality, 30% recycled 24lb paper. This pack contains a total of 10 envelopes. Each one features a commercial flap opening and a reliable, easy-to-use, metal clasp closure. These envelopes each feature an optional use gum closure as well for additional reinforcement. The 9 x 12 inch size of these open end envelopes makes them ideal for enclosing standard sized documents with no need for folding or creating creases! Their bright and vibrant orange color ensures that they will be noticed by any recipient in any setting! Use these orange envelopes for home and office mailing purposes..Orange.Size: 9" x 12".Closure: Clasp.Opening: Open end.Material: Paper.Envelope flap: Straight.Finish: Smooth.Paper weight: 24 lbs..Acid free and made from water soluble dyes.Envelopes are a refreshing color that will be welcomed in any mailbox.Adds a pop of color to your promotional mail.JAM Paper® 9" x 12" Orange clasp envelope is made out of 24 lbs sturdy paper and has a gum with a metal clasp.

Price is  $15.59
Unit of measure 10/Pack
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Universal Kraft Clasp Envelope Side Seam 28lb 9 x 12 Light Brown 100/box (AZRUNV35264) image 1
Item: UNV35264
Model: UNV35264

Universal Kraft Clasp Envelope Side Seam 28lb 9 x 12 Light Brown 100/box (AZRUNV35264).Type : Clasp Envelope Side Seam.Color : Light Brown, Material : Kraft.Dimension : 9 x 12 in.

Price is  $6.99
Unit of measure 100/Box
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6" x 9" Self-Sealing Poly Mailer, White, 1000/Carton (B871) image 1
Item: 24449633
Model: B871

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  $51.99
Unit of measure 1000/Carton
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15" x 19" Self-Sealing Bubble Mailer, #7, 25/Carton (ST56650B) image 1
Item: 427576
Model: ST56650

Customize these #7 bubble mailers as needed to send out a variety of products. The durable kraft exterior provides a neutral canvas for handwritten addresses or custom labels, while the bubble interior cushions the contents to prevent damage during transit. The paper backing removes easily from the adhesive to form a tight seal, so the items inside these Staples 15 x 19-inch peel-and-seal kraft bubble mailers remain firmly in place..Usable inside dimensions: 14.25"W x 19"L.Overal outside dimensions: 15"W x 19"L.Made of kraft.Single use self-sealing closure.#7.25 per carton.Interior bubble lining keeps contents safe during transit.Protect delicate items inside these Staples 15 x 19-inch peel-and-seal kraft bubble mailers.

Price is  $36.79
Unit of measure 25/Carton
Next-Day Delivery by tomorrow
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Corrugated Mailers, 16" x 5" x 5", White, 50/Bundle (M1655) image 1
Item: 2301193
Model: M1655

16" x 5" 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..Use these corrugated mailers to ship merchandise safely..Corrugated Mailers are manufactured from 200#/ECT32-B oyster white corrugated..16" x 5" x 5".These one piece mailers fold together in seconds with no tape, glue or staples needed..Mailers are shipped in bundles of 50.Perfect for shipping small, light-weight fragile items..Crush resistant mailers fold to provide double walls of protection on front and sides..Unique "Wave-Rule" edge virtually eliminates paper cuts..All ship and store flat to save space..Use these corrugated mailers to ship merchandise safely.Corrugated Mailers are super strong yet light-weight to save on postage.

Price is  $95.99
Unit of measure 50/Bundle
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9" x 11.5" Self-Sealing Fiberboard Mailer, White, 100/Carton (RM2W) image 1
Item: 424850
Model: RM2W

The 9" x 11-1/2" Tab-Lock White Flat Mailers are made from strong chipboard and require no additional stiffeners to protect your documents. Sold 100 per Case..Dimensions: 9" x 11-1/2".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  $67.59
Unit of measure 100/Carton
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12.75" x 15" Self-Sealing Fiberboard Mailer, White, 100/Carton (RM4W) image 1
Item: 424854
Model: RM4W

The 12-3/4" x 15" Tab-Lock White Flat Mailers are made from strong chipboard and require no additional stiffeners to protect your documents. Sold 100 per Case..Dimensions: 12-3/4"x 15".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  $92.99
Unit of measure 100/Carton
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6 x 9 Self-Sealing Bubble Mailer, Gold Hearts, 25/Pack (2022021) image 1
Item: 24676446
Model: 2022021NA

Each mailer features a fun and fashionable pink and brown poly heart print design. These adorable envelopes are great for adding a personal touch to your packages. Perfect for online retailers and small businesses..Each set includes 25 pink and gold poly bubble mailers..Mailers are water and tear resistant and resist punctures..Self-sealing closure.Great for small business.Ship with style using these cute heart poly bubble mailers! This pack of 25 high quality mailers are water and tear resistant to keep your packages safe. Stylish patterned design adds a personal touch when shipping jewelry, gifts, handmade goods, and more. Perfect for businesses of any size.

Price is  $17.29
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6" x 9" Self-Sealing Poly Mailer, White, 100/Carton (CV69) image 1
Item: 1603929
Model: CV69

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 6" x 9" and are sold 100 per case..Outside dimensions: 9"H x 6"W.Made from tear-resistant poly.Mailers feature a self-seal closure.Perfect bag for mailing catalogs and brochures.Clear.100 per case.Back of the bag is opaque for address information and postage.Front of the bag is clear.Clear View Poly Mailers provide exposure to promotional contents inside.

Price is  $25.59
Unit of measure 100/Carton
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Ship-Lite Self Seal Catalog Envelope 6" x 9", White, 100/Carton (SLF0609WH) image 1
Item: 947674
Model: SLF0609WH

Ship-Lite® Flat envelope measuring 6" x 9" is made of white paper reinforced with mesh screen poly fibers. Envelope is moisture resistant and features self-seal closure for added convenience..Made from white paper reinforced with mesh screen poly fibers..Envelopes are moisture-resistant..Feature self-seal closure..Dimensions: 6" x 9".100/case.Flat Ship-Lite® Envelope is six times stronger than paper envelope.

Price is  $67.99
Unit of measure 100/Carton
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JAM Paper Booklet Envelopes with Peel & Seal Closure, 9.5 x 12.5, White, 500/Box (367934168) image 1
Item: 24295254
Model: 367934168

JAM Paper® Heavy Duty Tyvek Envelopes are some of the strongest and sturdiest envelopes available. Tyvek is a registered trademark of DuPont, the established chemical company responsible for developing this durable polymer. Tyvek is composed of high-density polyethylene fibers, a synthetic material that is extremely hard to rip and tear. This type of material is the same used to build and insulate houses, so you can be assured the materials inside these enveloeps will be well protected from the elements. The envelopes themselves feature flap with a self adhesive strip closure. They are lightweight, tear proof and water resistant, protecting documents from inclement weather, or accidental spills that can occur around the office. Use them for organizing or mailing important documents at school, home, the office, or out on the go. Envelopes are available in an aray of colors and sizes, so finding one to fit your needs shouldn't be an issue. So if you are looking for that large heavy duty protective envelope,JAM Paper® Tyvek Envelopes are a great option!.Durable Tyvek Envelopes - White.Size: 9.5" x 12.5".Quantity: 500 Envelopes per Box.These tyvek envelopes are very durable and much more tear resistant then regular paper envelopes. These envelopes are 10% recycled, have a commercial flap, and a semi-smooth textured finish..These Tyvek Envelopes are made out of the same tyvek material that helps insulate houses, making them very durable! Use these for all of your important personal or business mailings, or around the home and office!.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  $540.69
Unit of measure 500/Pack
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JAM Paper® Plastic Envelopes with Button and String Tie Closure, Letter Booklet, 9.75 x 13, Lime Green, 12/Pack (218B1LI) image 1
Item: 263056
Model: 218B1LI

JAM Paper® Lime Green 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 to keep your documents in place. Each one is approximately 10 x 13 inches in size. Store documents or transport them from place to place with a burst of vibrant of color! Protect your documents from scratches, bends, and tears in any environment. Make your documents stand out while giving them the utmost protection against damage by using this 12 pack of sturdy and brightly colored envelopes!.Size: 9 3/4" x 13".Closure: Button & string.Opening: Booklet.1" expansion.Ideal for organizing and holding important papers.Plastic button and string envelopes available in various colors and sizes.These are the trailblazers who paved the way for all of our other button & string envelopes.12 per pack.JAM Paper® 9 3/4" x 13" lime green letter booklet plastic button and string envelope in a pack of 12 allow keeping documents safely & is expandable up to 1".

Price is  $33.69
Unit of measure 12/Pack
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JAM Paper #10 Self Seal Booklet Envelopes, 4 1/8" x 9 1/2", Seafoam Blue, 50/Pack (LUX-4860-113-50) image 1
Item: 24604509
Model: LUX-4860-113-50

The modern square back flap adds a sophisticated touch that you won’t find with other sets of similar envelopes. In addition, these envelopes feature a moistenable glue sealing method on the flap! Simply moisten and press down to seal your envelopes. You’ll get a great seal every time. These text-weight envelopes are an excellent choice because they’re about twice as thick as regular printer paper. The sturdy and durable thickness is perfect for shipping long distances, so you won’t have to worry about 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. They’re designed for compatibility with laser and inkjet home printers. These envelopes are also ideal for addressing notes and letters by hand. So whether you need to send letters out in bulk or only a few at a time, these envelopes will work perfectly. Use them for mailing checks, business documents, and other professional correspondence..FOR BUSINESS AND PROFESSIONAL USE.PEEL & PRESS SEAL.PRINTABLE & CUSTOMIZABLE.VIBRANT COLOR.DURABLE & RELIABLE.Are you looking for a pack of high-quality envelopes for donations, tithing, money collection, and fundraising?

Price is  $21.95
Unit of measure 50/Pack
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JAM Paper® 10 x 13 Booklet Envelopes, White, 50/Pack (4023222A) image 1
Item: 24365109
Model: 4023222A

Large documents deserve to be placed in a comfortable place! When you use JAM Paper® Booklet Envelopes, say goodbye to folding, bending, and creasing for these white envelopes are large enough to fit all your contents! Measuring at 10" x 13", large documents, announcements, invitations, artwork, blueprints, presentations, and catalogs lay comfortably while staying in their original state. Use both in the office and at home for mailing and storage needs. However you decide to use, expect high quality performance and presentation. This pack includes 50 white envelopes made from 28 lb. paper. Each envelope has a booklet opening, straight flap, gum closure, and smooth finish..Quantity: 50 per pack.Our envelopes feature a straight flap with gummed closure and smooth paper finish.This pack of envelopes is perfect for personal mail, business mailings, greeting cards, announcements, and so much more

Price is  $26.19
Unit of measure 50/Pack
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6.75"W x 9"L Self-Sealing Bubble Mailer, #0, 25/Carton (ST56608B) image 1
Item: 813198
Model: PMB-675X9-25

Add extra protection to customer orders with these bubble mailers. The crisp white exterior offers a professional touch, while the sturdy poly construction adds water resistance to protect contents stored inside. A lightweight design creates a cost-effective shipping solution. These Staples small white poly bubble mailers come equipped with peel-and-seal strips for quick setup and a firm hold..Usable inside dimensions: 6"W x 9"L.Overall outside dimensions could vary.Comes in white and made of polyethylene.Single use self-sealing closure.#0.25 per carton.Interior bubble lining keeps contents safe during transit.Secure items for delivery inside these Staples small white poly bubble mailers.

Price is  $10.59
Unit of measure 25/Carton
Next-Day Delivery by tomorrow
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10" x 10" x 4" Literature Mailers, Kraft, 50/Bundle (MFL10104K) image 1
Item: 1499831
Model: MFL10104K

Partners Brand Deluxe Literature Mailer provides maximum protection for your most important documents. Ships and stores flat to save space..Feature protective side flaps and front outside tuck closure..Maximum protection for your most important documents..Manufactured from strong ECT-32-B, kraft corrugated..Assembles in seconds without tape, glue or staples..Partners Brand Kraft Deluxe Literature Mailers feature protective side flaps and front outside tuck closure.

Price is  $174.09
Unit of measure 50/Bundle
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12.5" x 18" Padded Mailer, 7, White, 25/Carton (B810WSS25PK) image 1
Item: 497215
Model: B810WSS25PK

The #4, 12-3/8" x 17-3/4" Self-Seal White Padded Mailers feature fiber padding that expands as package is handled to absorb shock and protects contents from damage. Sold 25 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  $84.89
Unit of measure 25/Carton
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Quality Park Self Seal Kraft Self Seal Inter-Departmental Envelope 10" x 13", Brown Kraft, 100/Box (QUA63664) image 1
Item: 638558
Model: QUA63664

Keep confidential documents secure when sending them to colleagues with these interdepartmental envelopes. The self seal closure keep contents neatly tucked inside, and the large dimensions accommodate a wide range of paper sizes. Each envelope features a pre-printed form, providing space for sender and recipient names. With 32 pound kraft construction, these Quality Park interdepartmental envelopes stand up to frequent handling..Inter-departmental envelopes are a convenient and reliable choice for personal and business mailing purposes.Made from brown kraft paper that conceals contents from prying eyes.Dimensions: 10"L x 13"H; size #13.5.Unique Redi-Tac closure is durable and convenient.Envelopes come in boxes of 100, making them an easy and economical choice for the business that needs to spend wisely without sacrificing quality.Share documents with co-workers with these Quality Park 10 x 13-inch self-seal reusable closure brown kraft interdepartmental envelopes

Price is  $121.79
Unit of measure 100/Box
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18" x 24" Self-Sealing Fiberboard Mailer, White, 50/Carton (RM11W) image 1
Item: 459013
Model: RM11W

The 18" x 24" Tab-Lock White Flat Mailers are made from strong chipboard and require no additional stiffeners to protect your documents. Sold 50 per Case..Dimensions: 18" x 24".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 50 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.80% recycled.Rigid chipboard construction protects contents from bending and crushing.Lightweight mailers reduces postage costs.Self-Seal White Flat Mailers are strong to protect photos and documents during shipping.

Price is  $91.99
Unit of measure 50/Carton
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JAM Paper 6.125 x 9.5 Booklet Foil Envelopes with Self-Adhesive Closure, Gold, 100/Pack (01323285B) image 1
Item: 260954
Model: 01323285B

Get recipients' attention with JAM Paper® Booklet Envelopes with Self Adhesive Closure. Save time, impress, and feel safe when you use these gold foil envelopes. With a simple peel and seal closure, you can mail out your invitations, photographs, greetings, and invitations quickly. Plus, they stay safe as these envelopes are water-resistant and tear-proof! Use in the office to stand out and at home to store items like jewelry, important documents, and more. This pack contains 100 gold foil envelopes. Each envelope measures 6 1/8" x 9 1/2", has a booklet opening, straight flap, self adhesive strip closure, and shiny finish..Size: 6 1/8" x 9 1/2".Closure: Peal and seal.Opening: Booklet.Material: Foil.Finish: Shiny.Envelope type: Business.100 envelopes per pack.JAM Paper® Size 10 Booklet gold foil envelope measuring 6 1/8" x 9 1/2" features peal and seal closure and is perfect for greeting cards, invitations, weddings or promotional material.

Price is  $137.79
Unit of measure 100/Box
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13.5" x 11"" Self-Sealing Fiberboard Mailer, 3, White, 100/Carton (RM3SS) image 1
Item: 424855
Model: RM3SS

The 11" x 13-1/2" 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  $87.99
Unit of measure 100/Carton
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6" x 6" Self-Sealing Fiberboard Mailer, White, 200/Carton (RM9SS) image 1
Item: 447176
Model: RM9SS

The 6" x 6" Self-Seal White Flat Mailers are made from strong chipboard and require no additional stiffeners to protect your documents. Sold 200 per Case..6" x 6".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: 6" x 6".Manufactured from .028 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  $84.39
Unit of measure 200/Carton
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JAM Paper® Plastic Envelopes with Button and String Tie Closure, Letter Booklet, 9.75 x 13, Purple, 12/Pack (218B1PU) image 1
Item: 235385
Model: 218B1PU

JAM Paper® Purple 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 to keep your documents in place. Each one is a little over 10 x 13 inches in size. Store documents or transport them from place to place with a burst of bold color! Protect your documents from scratches, bends, and tears in any environment. Make your documents stand out while giving them the utmost protection against damage by using this 12 pack of reliable and brightly colored envelopes!.Material: Plastic.Color: Purple.Size: 9.75" x 13".12 per pack.JAM Paper® Purple Plastic with Button & String Closure, Letter Booklet - Made using durable plastic

Price is  $33.69
Unit of measure 12/Pack
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12.5" x 12.5" Self-Sealing Fiberboard Mailer, White, 100/Carton (RM2G) image 1
Item: 473223
Model: RM2G

Protect flat or delicate items with confidence using these 12.5" x 12.5" Self-Sealing Fiberboard Mailers in White. Made from rigid fiberboard to prevent bending and creasing, these mailers are ideal for shipping documents, photos, and other important materials. The self-sealing adhesive closure ensures secure, tamper-evident packaging, and each carton includes 100 mailers—perfect for offices, retailers, and e-commerce businesses..Strong chipboard mailers protect photos and documents during shipping..Manufactured from .020 white chipboard..Lightweight to save on postage..No additional stiffeners needed..Gusset expands to hold items up to 1" wide..Peel and seal closure..Pull tab tear strip for easy opening.

Price is  $105.79
Unit of measure 100/Carton
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Quality Park Kraft #11 Business Envelope 4 1/2" x 10 3/8", Brown, 500/Box (QUA11362) image 1
Item: QUA11362
Model: QUA11362

Strong Kraft envelope is perfect for home and office use. Heavyweight, 28-lb. paper stock delivers extra durability. Gummed flap provides a secure seal..Business and commercial use.Gummed flap.28 lb. brown Kraft.4 1/2" x 10 3/8".500/Bx.Ideal when strength and confidentiality is desired.Also good for inter-office use

Price is  $59.19
Unit of measure Box
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11.5" x 9" Self-Sealing Fiberboard Mailer, 2, White, 100/Carton (RM2SS) image 1
Item: 424862
Model: RM2SS

The 9" x 11-1/2" 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  $76.49
Unit of measure 100/Carton
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Staples Tyvek Self Seal Catalog Envelope, 9 1/2" x 12 1/2", White, 100/Box (ST19867-CC) image 1
Item: 749663
Model: ST19867-CC

Mail booklets, flyers and promotional brochures in these Staples Tyvek EasyClose catalog envelopes. The peel-and-seal closures keep items neatly tucked inside, while the white color blends seamlessly with mailing labels for a professional appearance. Crafted from sturdy 14-pound , these Staples EasyClose catalog envelopes withstand rips and tears to shield your documents from potential damage during the shipping process..Tyvek Catalog envelopes are perfect for bulky printed materials.White Tyvek envelope provides superior protection for mailing important materials or documents.Dimensions: 9.5"L x 12.5"H, size #12.5.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.QuickStrip closure is quick and easy to use - simply remove strip and press to close.Water and moisture resistant.Ship marketing materials to customers or clients with these Staples Tyvek EasyClose 9.5 x 12.5-inch catalog envelopes.

Price is  $79.39
Unit of measure 100/Box
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Quality Park Self Seal Expansion Kraft Envelope, 10 9/10" x 5", Brown, 25/Box (QUA93331) image 1
Item: 445548
Model: QUA93331

Envelope expands up to two inches to accommodate bulky documents. Extra heavyweight, 40-lb. Kraft stock is strong and sturdy. Redi-Strip™ closure delivers peel-and-press convenience..Envelope expands up to two inches to accommodate bulky documents..Brand: Quality Park™.Color(s): Brown Kraft.Product Type Refinement: Booklet/Document.Manufacturer: Quality Park Products

Price is  $20.69
Unit of measure 25/Box
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JAM Paper 6.125 x 9.5 Booklet Foil Envelopes with Self-Adhesive Closure, Black, 25/Pack (1323282) image 1
Item: 260907
Model: 1323282

Stand out from the crowd with JAM Paper® Booklet Foil Envelopes with Self Adhesive Closure. This water-resistant black foil envelope is certain to catch recipients and even the mailman off-guard! You can also rest assure that your mail won't be lost or forgotten. Insert documents, photos, art, and more into these tear-resistant envelopes knowing they will remain safe and in one place. Available in an assortment of colors and sizes that make it easy finding the perfect one to match any occasion! This pack contains 25 black foil envelopes. Each envelope measures 6 1/8" x 9 1/2", has a booklet opening, straight flap, self adhesive strip closure, and shiny finish..Size: 6 1/8" x 9 1/2".Closure: Peal and seal.Opening: Booklet.Material: Foil.Finish: Shiny.Envelope type: Business.25 envelopes per pack.JAM Paper® 6 1/8" x 9 1/2" Black foil envelope in a pack of 100 is made from strong plastic foil and is water resistant.

Price is  $41.89
Unit of measure 25/Pack
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LUX Self Seal Catalog Envelope, 9 1/2" x 12 1/2", White, 50/Pack (75894-50) image 1
Item: 24260751
Model: 75894-50

LUX 9 1/2 x 12 1/2 Open End Envelopes in 14lb. Tyvek are perfect for Catalogs/Annual Reports/Brochures/Magazines/Invitations, sold as 50 per box..Dimensions: 9.5"L x 12.5"W.Comes in 14lb. Tyvek.Sold as 50 per box.USES: Catalogs, Annual Reports, Brochures, Magazines, Invitations and so much more! Applications: Business Mailings, Direct Mail, Corporate Mailings, Financial Mailings, Personal Mail..LUX 9 1/2 x 12 1/2 Open End Envelopes in 14lb. Tyvek are perfect for Catalogs, Annual Reports, Brochures, Magazines, Invitations and more!

Price is  $73.29
Unit of measure 50/Pack
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5.75" x 9" Self-Sealing Bubble Mailer, #00, 25/Carton (ST56644B) image 1
Item: 427467
Model: ST56644

Protect delicate items during shipping with these bubble mailers. Durable kraft construction withstands regular handling while giving your mailings a professional look, while the peel-and-seal closures keep items securely stored inside. Bubble cushioning helps shield contents from damage while in transit. With a lightweight design, these Staples Business Essentials Peel & Seal 5.75" x 9-inch kraft bubble mailers make it easy to manage shipping costs..Usable inside dimensions: 5"W x 9"L.Overal outside dimensions: 5.75"W x 9"L.Made of kraft.Single use self-sealing closure.#00.25 per carton.Interior bubble lining keeps contents safe during transit.Package customer orders or replacement parts inside this 25-count carton of Staples Business Essentials Peel & Seal 5.75" x 9-inch kraft bubble mailers.

Price is  $15.39
Unit of measure 25/Carton
Next-Day Delivery by tomorrow
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10.5" x 15" Self-Sealing Bubble Mailer, #5, White, 100/Carton (ST56628) image 1
Item: 949087
Model: PMB-1125X15-100

Manage warehouse packaging needs with this 100-carton of bubble mailers. Poly construction offers added durability, and the bubble linings help shield contents from accidental drops and bumps. Each envelope features a peel-and-seal closure to keep items securely stowed away inside. These Staples large white poly bubble mailers boast a crisp, clean exterior design to help mailing labels and postage stand out..Usable inside dimensions: 10.5"W x 15"L.Outside dimensions could vary.Comes in white and made of polyethylene.Single-use self-sealing closure.#5.100 per carton.Interior bubble lining keeps contents safe during transit.Package fragile items for shipping with these Staples large white poly bubble mailers.

Price is  $76.79
Unit of measure 100/Carton
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JAM PAPER Bubble Lite Padded Mailers, Size 7, 14 1/4 x 18 1/2- Brown Kraft, 100/Pack (GCST657H) image 1
Item: 1589000
Model: GCST657H

JAM Paper® Brown Kraft Size 7 (14.5 x 18.5 inches) Bubble Mailers are a simple, practical, and reliable resource for sending flat or narrow items through the mail. Each one is made of sturdy, tear resistant, 100% recycled paper and lined with plastic air-filled packing bubbles to provide your mailed items with ultimate protection. These mailers come in packs of 100 and have straight flap openings with a self adhesive strap closures. The generic brown color of these mailers makes them suitable for any purpose or occasion. Don't leave your mailed items at risk for damage as they make their way through the mail. Package and protect them in one easy step with this bubble mailer! Size: 14.25in x 18.5in | Color: Brown Kraft | Quantity: 100.Color: Brown.Size: 14 1/4" x 18 1/2".Quantity: 100 per pack.Perfect for sending and protecting your valuable packages!.Feautures a self-adhesive closure for easy and secure mailing..JAM Paper® Brown Kraft Envelopes of 14.25" x 18.5" in size is perfect for delivering CD, greeting cards, invitations or any other announcement and has a square gummed flap.

Price is  $217.89
Unit of measure 100/Pack
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13.5" x 11" Self-Sealing Fiberboard Mailer, White, 25/Carton (RM3SS25PK) image 1
Item: 578452
Model: RM3SS25PK

Protect paper goods during the shipping process with these Box Partners mailers. The peel and seal closures keep items securely tucked inside each envelope, while the lightweight design keeps mailing costs lower. Each mailer features an opaque white design, shielding important paperwork from view. With durable construction, these Box Partners mailers prevent items from bending or folding while in transit..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..Ship pamphlets, catalogs and marketing materials in these Box Partners 11 x 13.5-inch white mailers.

Price is  $56.89
Unit of measure 25/Carton
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14" x 17" Self-Sealing Poly Mailer, White, 100/Carton (RPM1417) image 1
Item: 24449619
Model: RPM1417

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..Retail industry standard returnable mailers..Mailers are puncture, water, tamper and tear resistant..Self-seal.

Price is  $51.59
Unit of measure 100/Carton
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Ship-Lite Self Seal Security Tinted #1 Catalog Envelope 10" x 13", White, 100/Carton (SLE10131WE) image 1
Item: 947670
Model: SLE10131WE

Pack bulky items for mailing with these expandable envelopes. The moisture-resistant construction keeps contents protected during delivery, and the self-seal closure allows for quick packing. These Ship-Lite envelopes are reinforced with mesh screen poly fibers for added durability..Ship-Lite envelopes are six times stronger than paper envelopes..Made from white paper reinforced with mesh screen poly fibers..Envelopes are moisture-resistant..Expandable envelopes are great for shipping books and other bulky items..Feature self-seal closure..Ship books and binders with this 100-pack of Ship-Lite 10 x 13-inch envelopes.

Price is  $157.79
Unit of measure 100/Carton
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Quality Park Redi-Strip Security Tinted #10 Treated Business Envelopes, 4 1/8" x 9 1/2", White Wove, 500/Box image 1
Item: 683586
Model: QUA90019R

Send letters, invoices, and other important documents with these Redi-Strip envelopes. The blue-tint pattern keeps documents hidden from view, while the white exteriors offer a blank background for postage and address labels. Redi-Strip closures provide a secure seal, preventing papers from getting lost. Featuring 24-pound stock, these Quality Park #10 security-tinted envelopes stand up to the rigors of the mailing process..Antimicrobial: Envelope is made with a material that inhibits the growth of mold and mildew to protect the product..Made from white wove 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.Redi-Strip® closure provide a secure seal - simply peel off strip and press..Security-tinted pattern helps to discourage reading sensitive information through the outside of the envelope.500 count is ideal for both everyday office use and bulk mailings, each box of Quality Park #10 security tinted envelopes provides a long lasting supply!.QP #10 business envelopes are suitable for many mailing projects.The flap is on the long side for easier filling.Keep sensitive information protected in the mail with these Quality Park white #10 security-tinted Redi-Strip® envelopes.

Price is  $95.99
Unit of measure 500/Box
Next-Day Delivery by tomorrow
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Staples Gummed #6 3/4 Business Envelopes, 3 5/8" x 6 1/2", White, 125/Box (50309/473922/19) image 1
Item: 473922
Model: 50309/473922/19

Choose these standard white wove gummed V-flap business envelopes for sending bills and letters. Each one features a heavily gummed V-flap that requires moisture to provide a strong seal, so it doesn't shut before you're ready, while the 24-pound white wove paper ensures contents are kept safe while being shipped. These Staples standard gummed V-flap white wove business envelopes come in a box of 125 units..US #6 3/4 business envelopes are suitable for many mailing projects.Made from white 24 lb. paper for durability.These envelopes measure 3 5/8"H x 6 1/2"L in size, providing enough space for your mail.Gummed closure with V-Flap keeps contents in place.125 envelopes per box.Water- and tear-resistant envelope provides extra security for item being shipped.The flap is on the long side for easier filling.Send letters and invoices with this 125-pack of Staples standard 3-5/8 x 6-1/2-inch white wove gummed V-flap business envelopes.

Price is  $15.59
Unit of measure 125/Box
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9" x 12" Lay Flat Self-Sealing Poly Mailer, 1000/Carton (005104) image 1
Item: 24449630
Model: 005104

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..Self-seal.

Price is  $72.79
Unit of measure 1000/Carton
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13" x 10" x 2" Literature Mailers, Kraft, 50/Bundle (M13102K) image 1
Item: 947429
Model: M13102K

Partners Brand Literature Mailers assemble in seconds without tape, glue or staples. Ships and stores flat to save space..The perfect fit for your literature piece without the expense of a custom carton..The perfect size to ship and store documents..Manufactured from strong ECT-32-B, kraft corrugated..Assembles in seconds without tape, glue or staples..Partners Brand Kraft Literature Mailers are designed to offer an economical solution that simplifies all your packaging problems.

Price is  $125.69
Unit of measure 50/Carton
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JAM Paper Catalog Envelope 6" x 9", Brown Kraft, 50/Pack (1693-50) image 1
Item: 24604496
Model: 1693-50

Are you looking for a pack of high-quality envelopes for business documents, letters of recommendation, applications, booklets, folders, magazines, catalogs, brochures, and more? These envelopes are versatile, easily transitioning from formal to playful depending on what you need. The rectangular-style back flap adds a professional touch that you won’t find with other sets of similar envelopes. In addition, these envelopes feature a moistenable glue sealing method on the flap! Simply moisten and press down to seal your envelopes. You’ll get a great seal every time The 28 lb.. text-weight envelopes are an excellent choice because they’re about twice as thick as regular printer paper, so they will both protect and conceal whatever you place inside them. The sturdy and durable thickness is perfect for shipping long distances, so you won’t have to worry about 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. They’re designed for compatibility with laser and inkjet home printers. No matter what you address these envelopes with, you’ll be impressed with the high-quality, smudge-proof paper. These large envelopes measure 6” x 9” (152 mm x 229 mm). Purchase multiple sets of these envelopes in a wide variety of colors for your business, home office, and more. LUX 28 lb.. Brown Kraft envelopes are a durable and high-quality option for all your party-planning needs. Purchase a package of 50, 250, 500, or 1000 today!.OPEN-END ENVELOPES.MOISTENABLE GLUE SEAL.ADD TO YOUR SHIPPING SUPPLIES.CLASSIC COLOR.DURABLE & RELIABLE

Price is  $20.95
Unit of measure 50/Pack
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18" x 12" Literature Mailer, Kraft, 25/Bundle (MFL18123K) image 1
Item: 1004918
Model: MFL18123K

Partners Brand Deluxe Literature Mailer provides maximum protection for your most important documents. Ships and stores flat to save space..Feature protective side flaps and front outside tuck closure..Maximum protection for your most important documents..Manufactured from strong ECT-32-B, kraft corrugated..Assembles in seconds without tape, glue or staples..BOX Deluxe kraft corrugated literature mailer offers maximum protection for your most important documents and measures 18" x 12" x 3", sold as 50 per pack.

Price is  $100.19
Unit of measure 25/Bundle
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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.