Poly Mailers

IN STOCK Professional-grade 20x24x4 expansion poly mailers built for e-commerce brands shipping books, binders, and catalogs. Features self-seal closure with tear strip, puncture-resistant 2.5 mil polyethylene, and gusseted design for thicker items. Sold by the case of 100.
Envelopes & Mailers

20x24x4 Expansion Poly Mailers 2.5 Mil Self-Seal White, 100/Case

PN: EPM20244

20 x 24 x 4 in 2.5 Mil Polyethylene 100 PER CASE
$59.96 / CASE
IN STOCK 10x13
Envelopes & Mailers

Poly Mailers - 10x13, Clear, 2.5 Mil, Self-Seal, 100/Case

PN: CV1013100PK

10 x 13 in 2.5 Mil Polyethylene 100 PER CASE
$25.97 / CASE
IN STOCK Protect your products with puncture and water-resistant 9x12
Envelopes & Mailers

9x12 Poly Mailers - Self-Seal, 1000/Case

PN: B869

9 x 12 in 2.5 Mil Polyethylene 1000 PER CASE
$115.70 / CASE
IN STOCK Protect your shipments with our 12x15.5
Envelopes & Mailers

12x15.5 Poly Mailers - Self-Seal, 500/Case

PN: B870

12 x 15 1/2 in 2.5 Mil Polyethylene 500 PER CASE
$93.04 / CASE
IN STOCK Industry-standard 19x24
Envelopes & Mailers

19x24" 2.5 Mil Returnable Poly Mailers - Dual Strip Self-Seal, Case of 100

PN: RPM1924

19 x 24 in 2.5 Mil Polyethylene 100 PER CASE
$58.47 / CASE
IN STOCK Industry-standard 14x17
Envelopes & Mailers

Poly Mailers - 14x17, White, 2.5 Mil, 100/Case

PN: RPM1417

14 x 17 in 2.5 Mil Polyethylene 100 PER CASE
$31.66 / CASE
IN STOCK Professional-grade returnable poly mailers designed for e-commerce brands managing customer returns at scale. Each 12x15.5
Envelopes & Mailers

Poly Mailers - 12x15.5, 2.5 Mil, 100/Case

PN: RPM1215

12 x 15 1/2 in 2.5 Mil Polyethylene 100 PER CASE
$26.86 / CASE
IN STOCK Premium 24x24
Envelopes & Mailers

24x24 Poly Mailers - Self-Seal, 125/Case

PN: B878

24 x 24 in 2.5 Mil Polyethylene 125 PER CASE
$64.64 / CASE
IN STOCK Durable 19x24
Envelopes & Mailers

19x24 Poly Mailers - Self-Seal, 125/Case

PN: B877

19 x 24 in 2.5 Mil Polyethylene 125 PER CASE
$51.12 / CASE
IN STOCK Heavy-duty 19x14.5
Envelopes & Mailers

19x14.5 Poly Mailers - White Self-Seal, 250/Case

PN: B876

19 x 14.5 in 2.5 Mil Polyethylene 250 PER CASE
$63.15 / CASE
IN STOCK 10x13 Self-Seal Poly Mailers 2.5 Mil White - 1000 Pack
Envelopes & Mailers

10x13 Poly Mailers - White Self-Seal, 1000-Pack

PN: B867

10 x 13 in 2.5 Mil Polyethylene 1000 PER CASE
$133.67 / CASE
IN STOCK 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 White Poly Mailers Self-Seal Tear Strip - 2.5 Mil, Case of 200

PN: B913

24 x 36 in 2.5 Mil Polyethylene 200 PER CASE
$230.39 / CASE
IN STOCK Professional 24x24 white poly mailers deliver puncture and tear-resistant protection for e-commerce shipments. 2.5 mil polyethylene construction with self-seal tear strip ensures contents stay secure and dry. Case of 200 mailers ready to ship.
Envelopes & Mailers

24x24 White Poly Mailers with Self-Seal Tear Strip - Case of 200

PN: B912

24 x 24 in 2.5 Mil Polyethylene 200 PER CASE
$115.10 / CASE
IN STOCK Professional 19x24
Envelopes & Mailers

19x24" Self-Seal Poly Mailers 2.5 Mil - Puncture Resistant, Case of 250

PN: B911

19 x 24 in 2.5 Mil Polyethylene 250 PER CASE
$114.37 / CASE
IN STOCK Professional 14.5x19
Envelopes & Mailers

14.5x19 Poly Mailers - Self-Seal, 500/Case

PN: B861

14 1/2 x 19 in 2.5 Mil Polyethylene 500 PER CASE
$141.99 / CASE
IN STOCK Professional 14x17
Envelopes & Mailers

14x17" 2.5 Mil Self-Seal Poly Mailers White - Puncture Resistant, Case of 500

PN: B879

14 x 17 in 2.5 Mil Polyethylene 500 PER CASE
$118.90 / CASE
IN STOCK Protect your shipments with professional-grade self-seal poly mailers featuring a convenient tear strip and superior puncture resistance. These 12 x 15.5
Envelopes & Mailers

12x15.5 Self-Seal Poly Mailers 2.5 Mil - Tear Strip, Case of 500

PN: B875

12 x 15 1/2 in 2.5 Mil Polyethylene 500 PER CASE
$86.87 / CASE
IN STOCK 10x13
Envelopes & Mailers

10x13 Poly Mailers - White Self-Seal, 500/Case

PN: B874

10 x 13 in 2.5 Mil Polyethylene 500 PER CASE
$63.86 / CASE
IN STOCK Heavy-duty 9x12 white poly mailing bags with integrated tear strip and self-seal closure. Each case contains 500 mailers made from 2.5 mil polyethylene, delivering puncture, tear, and water resistance for reliable product protection during transit.
Envelopes & Mailers

9x12 Poly Mailers - White Self-Seal, 500/Case

PN: B873

9 x 12 in 2.5 Mil Polyethylene 500 PER CASE
$54.33 / CASE
IN STOCK 10.5 x 7.5
Envelopes & Mailers

10.5x7.5 Poly Mailers - Self-Seal, 1000/Case

PN: B872

10 1/2 x 7.5 in 2.5 Mil Polyethylene 1000 PER CASE
$78.58 / CASE
IN STOCK Durable 6x9 self-seal poly mailers engineered for e-commerce brands. Features 2.5 mil polyethylene construction with tear strip opening, puncture and water resistance, and strong seams that hold even when overpacked. Sold in cases of 1000 for consistent professional presentation.
Envelopes & Mailers

6x9 Poly Mailers - Self-Seal, 1000/Case

PN: B871

6 x 9 in 2.5 Mil Polyethylene 1000 PER CASE
$57.89 / CASE
IN STOCK Premium 36x24
Envelopes & Mailers

36x24" White Poly Mailers Self-Seal 2.5 Mil - Case of 100

PN: B880100PK

36 x 24 in 2.5 Mil Polyethylene 100 PER CASE
$170.29 / CASE
IN STOCK Ship with confidence using our 24x24
Envelopes & Mailers

24x24 Poly Mailers - Self-Seal, 100-Pack

PN: B878100PK

24 x 24 in 2.5 Mil Polyethylene 100 PER CASE
$90.16 / CASE
IN STOCK Heavy-duty 2.5 mil polyethylene self-seal mailers designed for e-commerce brands shipping products that demand protection. 24
Envelopes & Mailers

24x19 Poly Mailers - Self-Seal, 100-Pack

PN: B877100PK

24 x 19 in 2.5 Mil Polyethylene 100 PER CASE
$68.12 / CASE
IN STOCK Professional-grade 14.5x19
Envelopes & Mailers

14.5x19 Poly Mailers - White Self-Seal, 100-Pack

PN: B876100PK

14 1/2 x 19 in 2.5 Mil Polyethylene 100 PER CASE
$46.07 / CASE
IN STOCK Professional 14x17
Envelopes & Mailers

Poly Mailers - 14x17, 2.5 Mil, Self-Seal, 100-Pack

PN: B879100PK

14 x 17 in 2.5 Mil Polyethylene 100 PER CASE
$39.25 / CASE
IN STOCK Professional-grade self-seal poly mailers designed for e-commerce brands who demand durability and presentation. Each 12x15.5
Envelopes & Mailers

12x15.5 Poly Mailers - Self-Seal, 100-Pack

PN: B875100PK

12 x 15 1/2 in 2.5 Mil Polyethylene 100 PER CASE
$27.51 / CASE
IN STOCK Protect your shipments with these premium 12x15.5
Envelopes & Mailers

12x15.5 Poly Mailers - Self-Seal, 50-Pack

PN: B87550PK

12 x 15 1/2 in 2.5 Mil Polyethylene 50 PER CASE
$17.47 / CASE
IN STOCK 10x13 White Poly Mailers 2.5 Mil Self-Seal Tear Strip - 100 Pack
Envelopes & Mailers

10x13 Poly Mailers - White Self-Seal, 100-Pack

PN: B874100PK

10 x 13 in 2.5 Mil Polyethylene 100 PER CASE
$20.38 / CASE
IN STOCK Professional-grade 9x12
Envelopes & Mailers

9x12 Poly Mailers - Self-Seal, 100-Pack

PN: B873100PK

9 x 12 in 2.5 Mil Polyethylene 100 PER CASE
$21.59 / CASE
IN STOCK Protect shipments with puncture and water-resistant 7.5x10.5
Envelopes & Mailers

7.5x10.5 Poly Mailers - Self-Seal, 100-Pack

PN: B872100PK

7 1/2 x 10 1/2 in 2.5 Mil Polyethylene 100 PER CASE
$18.64 / CASE
IN STOCK Premium 6x9
Envelopes & Mailers

6x9 Poly Mailers - Self-Seal, 100-Pack

PN: B871100PK

6 x 9 in 2.5 Mil Polyethylene 100 PER CASE
$16.68 / CASE
IN STOCK Heavy-duty 18x51
Envelopes & Mailers

18x51" Self-Seal Poly Mailers 4 Mil - Tear-Proof, Case of 25

PN: LPM1851

18 x 51 in Polyethylene 25 PER CASE
$52.05 / CASE
IN STOCK Professional 18x48
Envelopes & Mailers

18x48" Self-Seal Poly Mailer 4 Mil White - Tear-Proof, Case of 25

PN: LPM1848

18 x 48 in Polyethylene 25 PER CASE
$45.30 / CASE
IN STOCK Professional-grade 13x45
Envelopes & Mailers

13x45" Self-Seal Poly Mailers 2.5 Mil - Tear-Proof, Case of 50

PN: LPM1345

13 x 45 in 2.5 Mil Polyethylene 50 PER CASE
$65.74 / CASE
IN STOCK Protect your shipments with our 9.5x45
Envelopes & Mailers

9.5x45" Self-Seal Poly Mailers 2.5 Mil White - 50/Case

PN: LPM945

9 1/2 x 45 in 2.5 Mil Polyethylene 50 PER CASE
$48.07 / CASE
IN STOCK Durable 8.5
Envelopes & Mailers

8.5x39" Self-Seal Poly Mailers 2.5 Mil White - Case of 100

PN: LPM839

8 1/2 x 39 in 2.5 Mil Polyethylene 100 PER CASE
$77.34 / CASE
IN STOCK Premium 8.5 x 33
Envelopes & Mailers

8.5x33 Self-Seal Poly Mailers 2.5 Mil White - Case of 100

PN: LPM833

8 1/2 x 33 in 2.5 Mil Polyethylene 100 PER CASE
$71.28 / CASE
IN STOCK Durable 6x39
Envelopes & Mailers

6x39" Self-Seal Poly Mailers 2.5 Mil White - 100 Count Case

PN: LPM639

6 x 39 in 2.5 Mil Polyethylene 100 PER CASE
$69.07 / CASE
IN STOCK Professional-grade 26x28x5
Envelopes & Mailers

26x28x5" Expansion Poly Mailers 2.5 Mil Self-Seal White - Case of 100

PN: EPM26285

26 x 28 x 5 in 2.5 Mil Polyethylene 100 PER CASE
$84.62 / CASE
IN STOCK Professional-grade 15x20x4
Envelopes & Mailers

Poly Mailers - 15x20x4, 2.5 Mil, Self-Seal, 100/Case

PN: EPM15204

15 x 20 x 4 in 2.5 Mil Polyethylene 100 PER CASE
$37.43 / CASE
IN STOCK Professional-grade 13x16x4
Envelopes & Mailers

Poly Mailers - 13x16x4, White, 2.5 Mil, Self-Seal, 100/Case

PN: EPM13164

13 x 16 x 4 in 2.5 Mil Polyethylene 100 PER CASE
$28.11 / CASE
IN STOCK Professional-grade 13x16x2
Envelopes & Mailers

Poly Mailers - 13x16x2, White, 2.5 Mil, Self-Seal, 100/Case

PN: EPM13162

13 x 16 x 2 in 2.5 Mil Polyethylene 100 PER CASE
$32.54 / CASE
IN STOCK Professional-grade 11x13x4
Envelopes & Mailers

Poly Mailers - 11x13x4, 2.5 Mil, Self-Seal, 100/Case

PN: EPM11134

11 x 13 x 4 in 2.5 Mil Polyethylene 100 PER CASE
$19.72 / CASE
IN STOCK Professional-grade 11x13x2 expansion poly mailers designed for e-commerce brands shipping thicker items like books, binders, and catalogs. 2.5 mil puncture and moisture-resistant polyethylene with self-seal closure and easy tear strip. 100 mailers per case.
Envelopes & Mailers

Poly Mailers - 11x13x2, White, 2.5 Mil, Self-Seal, 100/Case

PN: EPM11132

11 x 13 x 2 in 2.5 Mil Polyethylene 100 PER CASE
$22.89 / CASE
IN STOCK 10x13x2 Expansion Poly Mailers 2.5 Mil Self-Seal White - Case of 100
Envelopes & Mailers

Poly Mailers - 10x13x2, White, 2.5 Mil, Self-Seal, 100/Case

PN: EPM10132

10 x 13 x 2 in 2.5 Mil Polyethylene 100 PER CASE
$17.71 / CASE
IN STOCK Stand out with vibrant pink self-seal poly mailers that protect products and impress customers. Each 14.5x19
Envelopes & Mailers

14.5x19 Pink Self-Seal Poly Mailers 2.5 Mil - 100/Case

PN: CPM1419P

14 1/2 x 19 in 2.5 Mil Polyethylene 100 PER CASE
$51.94 / CASE
IN STOCK Professional-grade 14.5x19
Envelopes & Mailers

14.5x19" Yellow Self-Seal Poly Mailers 2.5 Mil - 100/Case

PN: CPM1419Y

14 1/2 x 19 in 2.5 Mil Polyethylene 100 PER CASE
$51.94 / CASE

Product Help Request

Send the SKU, quantity, delivery ZIP, and any required specs so we can route the request.

Overview

Poly Mailers — compare in-stock Packrift options by exact spec, with public pricing and no account required. Ships from 5 US warehouses (Central IL, NE PA, South TX, SE GA, West CA), routed to the location nearest you. Below are verified catalog SKUs, collection paths, and a bulk-quote route.

What To Buy Here

  • You need a Packrift buying path for Poly Mailers.
  • You want verified SKU links, current catalog specs, and a quote route instead of thin search copy.
  • You are comparing product fit before reordering or requesting a bulk quote.

Catalog Matches

SKU Product Dimensions Material Color Pack
BGFH101D 12x7x14 Kraft Paper Bags Flat Handles 70lb - Case of 300 12 x 7 x 14 kraft paper kraft 300
BGM103W 8.5x11" White Recycled Paper Flat Merchandise Bags - Case of 2000 8 1/2 x 11 white paper recycled white 2000
BGM107K 12x3x18" Kraft Gusseted Merchandise Bags - 500/Case Bulk 12 x 3 x 18 kraft kraft 500
BGM108K 17x24x4" Kraft Gusseted Merchandise Bags, 30lb Recycled Paper - Case of 500 17 x 24 x 4 kraft paper recycled kraft 500
BGM112K 14x3x21" Kraft Gusseted Merchandise Bags - Bulk 500ct Case 14 x 3 x 21 kraft kraft 500
B827 7.25" x 8" Bubble Lined Poly Mailers - Self-Seal White, Case of 200 7 1/4 x 8 white poly white 200
B82725PK 7.25" x 8" Bubble Lined Poly Mailers, White, 25-Pack Self-Seal 7 1/4 x 8 white poly white 25
B828 8x4 Bubble Lined Poly Mailers - Self-Seal White, Case of 500 8 x 4 white poly white 500

Open a product page for current pricing and availability.

How To Choose

  • Start with the SKU row whose dimensions, material, color, and pack quantity match your current job.
  • Open the PDP before ordering when a field says not listed in current catalog data.
  • Use the bulk quote path for larger, recurring, mixed-SKU, or freight-sensitive purchases.

When Not To Use

  • Do not infer unlisted product specs from similar SKUs.
  • Do not use this page for regulated, food-contact, outdoor exposure, or load-rating requirements unless the exact SKU record verifies that requirement.

Substitutes and Accessories

Reorder or Bulk Quote

For reorders, use the linked PDP SKU or the reorder-by-SKU path. For larger or mixed orders, use the bulk quote path and include SKU, quantity, destination ZIP, and timing.

Related Paths

FAQ

Which products match this page?
The Catalog Matches table above lists verified in-stock SKUs for Poly Mailers, with current dimensions, material, color, and pack quantity. Open a product page for full specs and current pricing.
What should I do when a field is not listed?
Do not infer it. Use the PDP or bulk quote path so the order can be checked against current catalog data.
Can I request a quote instead of ordering one SKU?
Yes. Use the bulk quote path with the relevant SKU list, quantities, destination ZIP, and required timing.

Buying path

Buy Poly Mailers by the specs that change the order

Use filters, product titles, and product pages to compare size, material, pack count, case quantity, and fit before ordering.

Compare

Use filters and product titles to narrow by the specs that affect fit.

Confirm

Open the product page before ordering a case so you can check quantity, unit, and limits.

Reorder

Save the SKU or product link for repeat purchasing and support questions.

Larger orders

For pallet, recurring, or mixed-SKU needs, send support the details before placing a large order.

What to check first

  • Usable inside size
  • Mil thickness
  • Closure type
  • Case quantity
Common wrong-order risk: Using a poly mailer for items that need edge protection. Confirm the item is soft or protected before choosing a flexible mailer.
Compare mailer vs box -> Contact support for larger orders -> Shop poly bags -> View products below ->