Skip to content
Specs before you buy
Bulk quotes with exact freight
BULK QUOTE CONTACT SUPPORT
Packrift
New customer?
Create an account to save checkout details and review order history.
Sign In Create Account
Account Benefits
  • Save delivery and contact details
  • Review order history for reorders
  • Keep repeat purchasing details in one place
  • Route support questions with account context
Quick Lists
View Full List
Reorder 0
View All Collections
Loading departments…
  • Boxes & Mailers
  • Bags & Liners
  • Cushioning
  • Tape & Wrap
  • Labels & Tags
  • Stretch Film
  • Packaging Tools
Packaging & shipping supplies, built for businesses

Search packaging and warehouse supplies

1000 results for “poly mailers”

Sort by:
Ship with confidence using our 24x24" self-seal poly mailers–trusted by e-commerce brands for their puncture, water, and tear resistance. Each case includes 100 white polyethylene mailers with high-strength seams and reliable self-adhesive closure that won't fail, even when overpacked. Professional presentation with white exterior and silver interior lining.
Envelopes & Mailers
24x24 2.5 Mil Self-Seal Poly Mailers 100-Pack

PN: B878100PK

24 x 24 in 2.5 Mil Polyethylene 100 PER CASE
$90.16 / CASE
24x24 5 Mil Self-Seal Poly Mailers 100-Pack B878100PK - alias listing
Envelopes & Mailers
24x24 2.5 Mil Self-Seal Poly Mailers 100-Pack B878100PK

PN: B878100PK

24 x 24 in 2.5 Mil Polyethylene 100 PER CASE
$90.16 / CASE
Protect your shipments with these premium 12x15.5" self-seal poly mailers featuring a convenient tear strip and 2.5 mil polyethylene construction. Puncture, tear, water and tamper resistant with silver-lined interior for professional presentation. Case of 50 mailers ready to ship.
Envelopes & Mailers
12x15.5 2.5 Mil Self-Seal Poly Mailers 50-Pack

PN: B87550PK

12 x 15 1/2 in 2.5 Mil Polyethylene 50 PER CASE
$17.47 / CASE
12x15.5 5 Mil Self-Seal Poly Mailers 100-Pack B875100PK - alias listing
Envelopes & Mailers
12x15.5 2.5 Mil Self-Seal Poly Mailers 100-Pack B875100PK

PN: B875100PK

12 x 15 1/2 in 2.5 Mil Polyethylene 100 PER CASE
$27.51 / CASE
Heavy-duty 2.5 mil polyethylene self-seal mailers designed for e-commerce brands shipping products that demand protection. 24" x 19" dimensions fit standard inventory; puncture, water, and tear-resistant construction ensures damage-free delivery. 100-pack case with white exterior and silver interior for professional presentation.
Envelopes & Mailers
24x19 2.5 Mil Self-Seal Poly Mailers 100-Pack

PN: B877100PK

24 x 19 in 2.5 Mil Polyethylene 100 PER CASE
$68.12 / CASE
Professional-grade self-seal poly mailers designed for e-commerce brands who demand durability and presentation. Each 12x15.5" mailer features 2.5 mil polyethylene construction, puncture resistance, and an easy tear strip. Order 100-pack cases and ship with confidence.
Envelopes & Mailers
12x15.5 2.5 Mil Self-Seal Poly Mailers 100-Pack

PN: B875100PK

12 x 15 1/2 in 2.5 Mil Polyethylene 100 PER CASE
$27.51 / CASE
Protect your shipments with our 12x15.5" self-seal poly mailers–trusted by e-commerce brands for uncompromising durability. These 2.5 mil polyethylene mailers deliver puncture, tear, water, and tamper resistance in every case of 500. High-strength seams and professional white exterior with silver interior make these the go-to choice for demanding shipping environments.
Envelopes & Mailers
12x15.5 2.5 Mil Self-Seal Poly Mailers 500/Case

PN: B870

12 x 15 1/2 in 2.5 Mil Polyethylene 500 PER CASE
$93.04 / CASE
Professional 19x24" self-seal poly mailers with integrated tear strip for reliable, tamper-evident shipping. 2.5 mil polyethylene construction resists punctures, water, and tearing even when overpacked. White exterior with silver lining accepts labels and stamps–250 count per case.
Envelopes & Mailers
19x24 2.5 Mil Self-Seal Poly Mailers 250/Case

PN: B911

19 x 24 in 2.5 Mil Polyethylene 250 PER CASE
$114.37 / CASE
19x24 2.5 Mil Self-Seal Poly Mailers 250/Case B911 - alias listing
Envelopes & Mailers
19x24 2.5 Mil Self-Seal Poly Mailers 250/Case B911

PN: B911

19 x 24 in 2.5 Mil Polyethylene 250 PER CASE
$114.37 / CASE
Professional 24x36 white poly mailers with self-seal tear strip protect e-commerce shipments from moisture, punctures, and tampering. Heavy-duty 2.5 mil polyethylene construction with high-strength seams handles overpacking without failure. Bulk case of 200 units delivers cost-effective shipping protection with label-ready white exterior and silver-lined interior.
Envelopes & Mailers
24x36 2.5 Mil White Self-Seal Tear Strip Poly Mailers 200/Case

PN: B913

24 x 36 in 2.5 Mil Polyethylene 200 PER CASE
$230.39 / CASE
12x15.5 5 Mil Self-Seal Poly Mailers 500/Case B870 - alias listing
Envelopes & Mailers
12x15.5 2.5 Mil Self-Seal Poly Mailers 500/Case B870

PN: B870

12 x 15 1/2 in 2.5 Mil Polyethylene 500 PER CASE
$93.04 / CASE
Professional 14.5x19" self-seal poly mailers built for e-commerce brands shipping mid-size products. 2.5mil polyethylene construction delivers puncture, water, and tear resistance with high-strength seams that stay sealed even when overpacked. White exterior with silver interior accepts labels and stamps perfectly–500 mailers per case.
Envelopes & Mailers
14.5x19 Self-Seal Poly Mailers 500/Case

PN: B861

14 1/2 x 19 in 2.5 Mil Polyethylene 500 PER CASE
$141.99 / CASE
19x24 Poly Mailers 200-Pack
Envelopes & Mailers
19x24 Poly Mailers 200-Pack

PN: B5117

24 x 19 in 200 PER PACK
$72.85 / CASE
24x24 5 Mil Self-Seal Poly Mailers 125/Case B878 - alias listing
Envelopes & Mailers
24x24 2.5 Mil Self-Seal Poly Mailers 125/Case B878

PN: B878

24 x 24 in 2.5 Mil Polyethylene 125 PER CASE
$64.64 / CASE
7.5x10.5 2.5 Mil Non Perforated Lip Poly Mailers
Envelopes & Mailers
7.5x10.5 2.5 Mil Non Perforated Lip Poly Mailers

PN: B5155

10.5 x 7.5 in 2.5 Mil
$70.32 / CASE
24x24 Perforated Self Sealing Poly Mailers
Envelopes & Mailers
24x24 Perforated Self Sealing Poly Mailers

PN: B5120

24 x 24 in
$94.81 / CASE
Protect your products with puncture and water-resistant 9x12" self-seal poly mailers. These tear-proof polyethylene mailers feature high-strength seams, professional white/silver design, and reliable self-adhesive closure. Sold by the case (1000 units) for e-commerce brands who demand durability and presentation.
Envelopes & Mailers
9x12 2.5 Mil Self-Seal Poly Mailers 1000/Case

PN: B869

9 x 12 in 2.5 Mil Polyethylene 1000 PER CASE
$115.70 / CASE
24x24 Perforated Self Sealing Poly Mailers B5120 - alias listing
Envelopes & Mailers
24x24 Perforated Self Sealing Poly Mailers B5120

PN: B5120

24 x 24 in
$94.81 / CASE
19x24 5 Mil Self-Seal Poly Mailers 125/Case B877 - alias listing
Envelopes & Mailers
19x24 2.5 Mil Self-Seal Poly Mailers 125/Case B877

PN: B877

19 x 24 in 2.5 Mil Polyethylene 125 PER CASE
$51.12 / CASE
14.5x19 Self-Seal Poly Mailers 500/Case B861 - alias listing
Envelopes & Mailers
14.5x19 Self-Seal Poly Mailers 500/Case B861

PN: B861

14 1/2 x 19 in 2.5 Mil Polyethylene 500 PER CASE
$141.99 / CASE
24x24 White Self-Seal Tear Strip Poly Mailers 200/Case B912 - alias listing
Envelopes & Mailers
24x24 White Self-Seal Tear Strip Poly Mailers 200/Case B912

PN: B912

24 x 24 in 2.5 Mil Polyethylene 200 PER CASE
$115.10 / CASE
Durable 19x24" self-seal poly mailers built for e-commerce brands who demand protection and professionalism. 2.5 mil polyethylene construction resists punctures, tears, water, and tampering with high-strength seams that hold under pressure. White exterior with silver lining accepts labels and ink perfectly–125 mailers per case.
Envelopes & Mailers
19x24 2.5 Mil Self-Seal Poly Mailers 125/Case

PN: B877

19 x 24 in 2.5 Mil Polyethylene 125 PER CASE
$51.12 / CASE
Industry-standard 19x24" returnable poly mailers featuring dual self-adhesive strips–one for initial shipment, one factory-fresh for customer returns. Constructed from durable 2.5 mil polyethylene to keep contents clean and dry through multiple shipping cycles. Sold by the case of 100.
Envelopes & Mailers
19x24 2.5 Mil Self-Seal Returnable Poly Mailers 100/Case

PN: RPM1924

19 x 24 in 2.5 Mil Polyethylene 100 PER CASE
$58.47 / CASE
12x15.5 50% PCR Perforated Lip Poly Mailers 500/Case
Envelopes & Mailers
12x15.5 50% PCR Perforated Lip Poly Mailers 500/Case

PN: B12155

15.5 x 12 in 500 PER CASE
$105.79 / CASE
1 2 3 … 42 ›
PACKRIFT PRICE WATCH
What boxes, mailers and poly bags cost this month and what freight adds to an order. One email a month.

You are on the list. The current edition is on its way to your inbox.

Packrift

Packrift supplies packaging, shipping, and warehouse essentials for businesses that need practical products, clear specs, and simple ordering.

Shop by Category
  • Boxes & Mailers
  • Poly Bags
  • Tape & Wrap
  • Labels & Tags
  • Cushioning
  • Stretch Film & Strapping
Shop by Industry
  • E-Commerce & Fulfillment
  • Distribution & Warehousing
  • Manufacturing
  • Healthcare & Medical
  • Food Service & Processing
Corporate
  • About Packrift
  • Packaging Tools
  • Product support
  • Supply Chain Ethics
  • Career Opportunities
Support Center
Office: 300 Delaware Ave Wilmington, DE 19801
+1 (302) 216-2975
support@packrift.com
© 2026 Packrift LLC. All rights reserved.
Terms of Use Privacy Policy Packaging Guides Secure Checkout