Strong Mailing Envelopes

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20" x 27" Clasp Fiberboard Mailer, White, 50/Carton (RM12SFW) image 1
Item: 495777
Model: RM12SFW

Staples® 20" x 27" Tab-Lock White Flat Mailers are made from strong chipboard and require no additional stiffeners to protect your documents. Sold 50 per Case..20" x 27".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.Dimensions: 20" x 27".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..Self-Seal White Flat Mailers are strong to protect photos and documents during shipping.

Price is  $155.89
Unit of measure 50/Carton
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Staples 6.75" x 9" Self-Sealing Bubble Mailer, #0, Kraft, 250/Pack (ST56637) image 1
Item: 1938243
Model: ST56637

Give shipping department staff expanded options for packaging products with these bubble mailers. Kraft exteriors provide added resilience throughout the mailing process, while air cushioning helps protect delicate items while in transit. Each pack contains 250 envelopes to meet the demands of busy warehouses. With peel-and-seal closures, these professional 6.75 x 9-inch kraft bubble mailers allow for quick, hassle-free setup..Usable inside dimensions: 6"W x 9"L.Overal outside dimensions: 6.75"W x 9"L.Comes in kraft.Single-use self-sealing closure.#0.250 per pack.Interior bubble lining keeps contents safe during transit.Package small items for shipping in theseStaples 6.75 x 9-inch kraft bubble mailers.

Price is  $58.09
Unit of measure 250/Carton
Next-Day Delivery by tomorrow
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8.5" x 13.5" Padded Mailer, #3, White, 25/Carton (B806WSS25PK) image 1
Item: 497218
Model: B806WSS25PK

The #3, 8-3/8" x 13-1/4" 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..#3, 8-1/2" x 13-1/2".QuickStrip closure is quick and easy to use - simply remove strip and press to close.Smooth interior lining makes inserting products easier.Premium white mailers provides a clean professional look.90% recycled, 50% post consumer content.Staples Brand 100% Satisfaction Guaranteed.Attractive white mailers provide a clean, professional and high quality appearance.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 material.Size: #3—8-1/2x14-1/2".25 per case

Price is  $65.69
Unit of measure 25/Carton
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12.25" x 9.75" Self-Sealing Fiberboard Mailer, 5, Brown, 100/Carton (RM5K) image 1
Item: 447183
Model: RM5K

The 9-3/4" x 12-1/4" Kraft Flat Mailer features closure that is quick and easy to use. Mailer includes rigid chipboard construction that protects contents from bending and crushing. Sold 100 per case..Strong chipboard mailers protect photos and documents during shipping..Manufactured from .028 kraft chipboard..Lightweight to save on postage..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  $76.69
Unit of measure 100/Carton
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9" x 12" Self-Sealing Poly Mailer, Clear, 100/Carton (CV912100PK) image 1
Item: 1603928
Model: CV912100PK

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 9" x 12" and are sold 100 per case..Clear front to display contents and opaque back for postage and address information..Mailers feature a self-seal closure with double perforations for easy opening..Made of tear-resistant poly..Clear View Poly Mailers provide exposure to promotional contents inside.

Price is  $28.79
Unit of measure 100/Carton
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11" x 13.5" Self-Sealing Fiberboard Mailer, White, 100/Carton (RM3W) image 1
Item: 424852
Model: RM3W

The 11" x 13-1/2" Tab-Lock White Flat Mailers are made from strong chipboard and require no additional stiffeners to protect your documents. Sold 100 per Case..Dimensions: 11" x 13-1/2".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  $79.69
Unit of measure 100/Carton
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12.125" x 9.25" Literature Mailer, 50/Bundle (MFL1293K) image 1
Item: 1499829
Model: MFL1293K

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..Usable Inside Dimensions: 12 1/8"x9 1/4".Assembles in seconds without tape, glue or staples..50/Bundle.Partners Brand Kraft Deluxe Literature Mailers feature protective side flaps and front outside tuck closure.

Price is  $140.19
Unit of measure 50/Bundle
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11 1/8" x 8 3/4" x 3" Deluxe Literature Mailers, 50/Bundle (MFL1183K) image 1
Item: 1499830
Model: MFL1183K

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 11.12" x 8.75" x 3" Kraft Deluxe Literature Mailers - Made of premium quality Kraft for durability

Price is  $128.99
Unit of measure 50/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.