Poly Mailers

Poly mailers are lightweight, white plastic shipping bags with a self-seal closure, the low-cost way to ship apparel and soft goods without a box. Ours are 2.5 mil co-extruded polyethylene, white outside and silver-gray inside for privacy, water resistant and tamper-evident, in sizes from 6" x 9" to 26" x 28". Choose perforated, non-perforated, returnable or expandable, sold by the case for wholesale and bulk buyers with volume pricing.

Need custom printed mailers or a size we don't stock? Request a quote.

Poly Mailers

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Easy-open poly mailers with perforations that allow the recipient to quickly tear open the package and access the contents.

Stock #Product DescriptionUnitPriceQtyOrder
51006" x 9" 2.5 Mil Poly Mailers - Perforated1000/Case$54.00
51027.5" x 10.5" 2.5 Mil Poly Mailers - Perforated1000/Case$75.00
51049" x 12" 2.5 Mil Poly Mailers - Perforated1000/Case$88.00
510710" x 13" 2.5 Mil Poly Mailers - Perforated1000/Case$102.00
511012" x 15.5" 2.5 Mil Poly Mailers - Perforated500/Case$72.00
511214" x 17" 2.5 Mil Poly Mailers - Perforated500/Case$93.00
511514.5" x 19" 2.5 Mil Poly Mailers - Perforated500/Case$104.00
511719" x 24" 2.5 Mil Poly Mailers - Perforated200/Case$80.00
512024" x 24" 2.5 Mil Poly Mailers - Perforated200/Case$92.00
512124" x 36" 2.5 Mil Poly Mailers - Perforated200/Case$177.00

Durable poly mailers with a secure adhesive closure, ideal for shipping items that require added protection during transit.

Stock #Product DescriptionUnitPriceQtyOrder
51506" x 9" 2.5 Mil Poly Mailers - Non Perforated1000/Case$54.00
51557.5" x 10.5" 2.5 Mil Poly Mailers - Non Perforated1000/Case$75.00
51609" x 12" 2.5 Mil Poly Mailers - Non Perforated1000/Case$88.00
516510" x 13" 2.5 Mil Poly Mailers - Non Perforated1000/Case$102.00
517012" x 15.5" 2.5 Mil Poly Mailers - Non Perforated500/Case$72.00
517514" x 17" 2.5 Mil Poly Mailers - Non Perforated500/Case$93.00
518014.5" x 19" 2.5 Mil Poly Mailers - Non Perforated500/Case$104.00
518519" x 24" 2.5 Mil Poly Mailers - Non Perforated200/Case$80.00
519024" x 24" 2.5 Mil Poly Mailers - Non Perforated200/Case$92.00

Poly mailers with a bottom gusset that expands to accommodate bulkier items, making them ideal for apparel, magazines, and other larger soft goods.

Stock #Product DescriptionUnitPriceQtyOrder
521210" x 13" + 4" BG 2.5 Mil Expandable Poly Mailers1000/Case$116.00
521411" x 13" + 4" BG 2.5 Mil Expandable Poly Mailers500/Case$78.00
521613" x 16" + 4" BG 2.5 Mil Expandable Poly Mailers500/Case$92.00
521815" x 20" + 4" BG 2.5 Mil Expandable Poly Mailers300/Case$78.00
522020" x 24" + 4" BG 2.5 Mil Expandable Poly Mailers200/Case$83.00
522226" x 28" + 4" BG 2.5 Mil Expandable Poly Mailers100/Case$73.00

Includes all of the same features as our standard poly mailers with an additional tear strip and adhesive strip for easy returns.

Stock #Product DescriptionUnitPriceQtyOrder
520012" x 15.5" 2.5 Mil Returnable Poly Mailers500/Case$75.00
520514" x 17" 2.5 Mil Returnable Poly Mailers500/Case$105.00
521019" x 24" + 3" Lip 2.5 Mil Returnable Poly Mailers200/Case$78.00

Related Categories

Poly Bubble Mailers

Poly Bubble Mailers
Postal Approved Self-Seal Mailing Bags

Postal Approved Self-Seal Mailing Bags
Kraft Self-Seal Recyclable Mailers

Kraft Self-Seal Recyclable Mailers
Packing Slip Envelopes

Packing Slip Envelopes

Poly Mailer Sizes and Styles

Which Poly Mailer Style?

  • Perforated: a tear strip below the seal so customers open them easily
  • Non-perforated: no tear strip, for maximum durability in transit
  • Returnable: two adhesive strips, so customers reuse the same mailer to send a return
  • Expandable: a bottom gusset that expands for bulkier items like boxed shoes, sweaters and bedding

How to Choose a Poly Mailer Size

Poly mailers are listed as width x length. Choose a mailer an inch or two larger than the item each way so it lies flat and seals cleanly; for thicker items, add the item's thickness to both the width and the length, or go to an expandable mailer.

Common Poly Mailer Sizes

  • 6" x 9" to 10" x 13": t-shirts, accessories, jewelry, cosmetics, books and documents
  • 12" x 15.5" to 14.5" x 19": apparel, folded shirts and pants, linens
  • 19" x 24" and up: coats, bedding, comforters and bulky soft goods

Why Ship in Poly Mailers

Poly mailers weigh a fraction of a box, so they cut shipping costs on soft goods, take almost no storage space and need no tape. The co-extruded film is opaque for privacy, water resistant in transit and tamper-evident: once sealed, the mailer can't be opened without tearing.

Wholesale & Bulk Poly Mailers

Every poly mailer is sold by the case, 100 to 1,000 per case depending on size, with volume pricing on larger orders and free shipping on orders over $2,000. For ongoing or high-volume orders, request a quote.

Related Shipping Supplies

For fragile items, see poly bubble mailers and kraft bubble mailers. For a paper option, see kraft recyclable mailers. To attach paperwork, add packing slip envelopes. Browse all mailing and shipping supplies.

Poly Mailer FAQ

  • What are poly mailers? Lightweight plastic shipping bags with a self-seal closure, used instead of boxes for apparel and soft goods.
  • Can you see through them? No. They're white outside and silver-gray inside, fully opaque.
  • Are poly mailers waterproof? They're water resistant, which protects contents from rain and moisture in transit.
  • What's the difference between perforated and non-perforated? Perforated mailers have a tear strip for easy opening; non-perforated mailers are a little more durable.
  • Can we print our logo on them? Yes. Request a quote for custom printed poly mailers.
  • Do you offer free shipping? Yes, on orders over $2,000.