Mailers & Envelopes

SELECTION EXPERT ADVICE

Rigid vs Flexible Mailers
MORE INFO
Corrugated mailer boxes provide structure and protection for items that cannot be bent or compressed in transit. Poly and padded mailers work well for soft goods, clothing, and flexible items where keeping the shipment lightweight is the primary cost driver.
Built-In Protection Levels
MORE INFO
Bubble-lined mailers add a cushioning layer for fragile or delicate items without requiring additional packing materials inside the package. For documents and flat goods that do not need padding, flat and paper mailers are the more cost-effective choice.
Closure Type and Packing Speed
MORE INFO
Peel-and-seal closures reduce packing time significantly on high-volume fulfillment lines. For operations processing hundreds of orders per shift, the closure method on your mailer has a real cumulative impact on throughput and labor cost over the course of a workday.

Need help choosing a mailer?

Pick the right mailer for your product weight and protection level

Use these buying guides to choose between poly and bubble mailers, and decide when to use a box instead.

Mailers Guide → Poly vs bubble vs rigid mailers Bubble Mailer Size Guide → Standard sizes 000 through 7 explained Mailer vs Box Selector → When a mailer is enough and when you need a box
Overview

1,487 mailers and envelopes: spiral wound mailing tubes with caps, white and kraft literature mailers, bubble and poly mailers and packing list pouches. Sizes run from 2 to 24 inches with pack counts of 10 to 1,000 shown on each listing. Orders ship from five US regional warehouses; for mixed or recurring orders use the bulk quote path with SKU, quantity and destination ZIP.

Related collections

Buying path

Buy Mailers & Envelopes 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
  • Padding or material
  • Closure type
  • Case quantity
Common wrong-order risk: Forgetting item thickness. A mailer that fits flat dimensions can still be too tight once the product is packed.
Compare mailer vs box -> Contact support for larger orders -> Read the mailers guide -> View products below ->
IN STOCK 20x16x2 Kraft Easy Fold Mailers 50/Bundle M20162BFK - alias listing
Boxes - Mailers

20x16x2 Kraft Easy Fold Mailers 50/Bundle M20162BFK

PN: M20162BFK

20 x 16 x 2 in 50 PER BUNDLE
$168.62 / EACH
IN STOCK 18x12x2 Kraft Easy Fold Mailers 50/Bundle M18122BFK - alias listing
Boxes - Mailers

18x12x2 Kraft Easy Fold Mailers 50/Bundle M18122BFK

PN: M18122BFK

18 x 12 x 2 in 50 PER BUNDLE
$113.49 / EACH
IN STOCK 14x14x4 Kraft Easy Fold Mailers 50/Bundle M14144BFK - alias listing
Boxes - Mailers

14x14x4 Kraft Easy Fold Mailers 50/Bundle M14144BFK

PN: M14144BFK

14 x 14 x 4 in 50 PER BUNDLE
$168.40 / EACH
IN STOCK 9x5x3 Kraft Corrugated Mailers 50/Bundle M953K - alias listing
Boxes - Mailers

9x5x3 Kraft Corrugated Mailers 50/Bundle M953K

PN: M953K

9 x 5 x 3 in 50 PER BUNDLE
$42.47 / EACH
IN STOCK 12x9x3 Kraft Easy Fold Mailers 50/Bundle M12932BFK - alias listing
Boxes - Mailers

12x9x3 Kraft Easy Fold Mailers 50/Bundle M12932BFK

PN: M12932BFK

12 x 9 x 3 in 50 PER BUNDLE
$108.80 / EACH
IN STOCK 6x4x3 White Mailers 25/Bundle M643RP25 - alias listing
Boxes - Mailers

6x4x3 White Mailers 25/Bundle M643RP25

PN: M643RP25

6 x 4 x 3 in 25 PER BUNDLE
$28.03 / EACH
IN STOCK 7x4x4 White Corrugated Mailers 50-Pack M744 - alias listing
Boxes - Mailers

7x4x4 White Corrugated Mailers 50-Pack M744

PN: M744

7 x 4 x 4 in 50 PER PACK
$35.93 / EACH
IN STOCK 6x4x3 Kraft Mailers 25/Bundle M643KRP25 - alias listing
Boxes - Mailers

6x4x3 Kraft Mailers 25/Bundle M643KRP25

PN: M643KRP25

6 x 4 x 3 in 25 PER BUNDLE
$26.56 / EACH
IN STOCK 4x3x2 White Corrugated Mailers 25/Bundle M432RP25 - alias listing
Boxes - Mailers

4x3x2 White Corrugated Mailers 25/Bundle M432RP25

PN: M432RP25

4 x 3 x 2 in 25 PER BUNDLE
$9.46 / EACH
IN STOCK 9x6x4 White Mailers 10/Bundle M964RP10 - alias listing
Boxes - Mailers

9x6x4 White Mailers 10/Bundle M964RP10

PN: M964RP10

9 x 6.25 x 4 in 10 PER BUNDLE
$19.11 / EACH
IN STOCK 12x4x4 White Corrugated Mailers 25/Bundle M1244RP25 - alias listing
Boxes - Mailers

12x4x4 White Corrugated Mailers 25/Bundle M1244RP25

PN: M1244RP25

12 x 4 x 4 in 25 PER BUNDLE
$30.36 / EACH
IN STOCK 12x9x3 White Mailers 20/Bundle M1293RP20 - alias listing
Boxes - Mailers

12x9x3 White Mailers 20/Bundle M1293RP20

PN: M1293RP20

12.125 x 9.25 x 3 in 20 PER BUNDLE
$45.75 / EACH
IN STOCK 5x5x37 White Square Mailing Tubes 25-Pack M5537 - alias listing
Boxes - Mailers

5x5x37 White Square Mailing Tubes 25-Pack M5537

PN: M5537

5 x 5 x 37 in ECT-32-B Corrugated 25 PER BUNDLE
$100.74 / BUNDLE
IN STOCK 5x5x48 ECT-32-B White Square Mailing Tubes 25-Pack M5548 - alias listing
Boxes - Mailers

5x5x48 ECT-32-B White Square Mailing Tubes 25-Pack M5548

PN: M5548

5 x 5 x 48 in ECT-32-B Corrugated 25 PER BUNDLE
$136.78 / BUNDLE
IN STOCK 5x5x30 ECT-32-B White Square Mailing Tubes 25/Bundle M5530 - alias listing
Boxes - Mailers

5x5x30 ECT-32-B White Square Mailing Tubes 25/Bundle M5530

PN: M5530

5 x 5 x 30 in ECT-32-B Corrugated 25 PER BUNDLE
$94.28 / BUNDLE
IN STOCK 5x5x25 White Square Mailing Tubes 25-Pack M5525 - alias listing
Boxes - Mailers

5x5x25 White Square Mailing Tubes 25-Pack M5525

PN: M5525

5 x 5 x 25 in ECT-32-B Corrugated 25 PER BUNDLE
$84.14 / BUNDLE
IN STOCK 5x5x12 White Square Mailing Tubes 25-Pack M5512 - alias listing
Boxes - Mailers

5x5x12 White Square Mailing Tubes 25-Pack M5512

PN: M5512

5 x 5 x 12 in ECT-32-B Corrugated 25 PER BUNDLE
$53.79 / BUNDLE
IN STOCK 4x4x37 White Square Mailing Tubes 50-Pack M4437 - alias listing
Boxes - Mailers

4x4x37 White Square Mailing Tubes 50-Pack M4437

PN: M4437

4 x 4 x 37 in ECT-32-B Corrugated 50 PER BUNDLE
$159.27 / BUNDLE
IN STOCK 4x4x25 White Square Mailing Tubes 50-Pack M4425 - alias listing
Boxes - Mailers

4x4x25 White Square Mailing Tubes 50-Pack M4425

PN: M4425

4 x 4 x 25 in ECT-32-B Corrugated 50 PER BUNDLE
$130.02 / BUNDLE
IN STOCK 3x3x48 White Square Mailing Tubes 25-Pack M3348 - alias listing
Boxes - Mailers

3x3x48 White Square Mailing Tubes 25-Pack M3348

PN: M3348

3 x 3 x 48 in ECT-32-B Corrugated 25 PER BUNDLE
$94.28 / BUNDLE
IN STOCK 43x3x3 ECT-32-B White Square Mailing Tubes 25-Pack M3343 - alias listing
Boxes - Mailers

43x3x3 ECT-32-B White Square Mailing Tubes 25-Pack M3343

PN: M3343

43 x 3 x 3 in ECT-32-B Corrugated 25 PER BUNDLE
$75.71 / BUNDLE
IN STOCK 3x3x37 White Square Mailing Tubes 25-Pack M3337 - alias listing
Boxes - Mailers

3x3x37 White Square Mailing Tubes 25-Pack M3337

PN: M3337

3 x 3 x 37 in ECT-32-B Corrugated 25 PER BUNDLE
$45.16 / BUNDLE
IN STOCK 3x3x30 ECT-32-B White Square Mailing Tubes 25-Pack M3330 - alias listing
Boxes - Mailers

3x3x30 ECT-32-B White Square Mailing Tubes 25-Pack M3330

PN: M3330

3 x 3 x 30 in ECT-32-B Corrugated 25 PER BUNDLE
$37.39 / BUNDLE
IN STOCK 3x3x12 White Square Mailing Tubes 25-Pack M3312 - alias listing
Boxes - Mailers

3x3x12 White Square Mailing Tubes 25-Pack M3312

PN: M3312

3 x 3 x 12 in ECT-32-B Corrugated 25 PER BUNDLE
$23.09 / BUNDLE
IN STOCK 2x2x25 White Square Mailing Tubes 50-Pack M2225 - alias listing
Boxes - Mailers

2x2x25 White Square Mailing Tubes 50-Pack M2225

PN: M2225

2 x 2 x 25 in ECT-32-B Corrugated 50 PER BUNDLE
$50.70 / BUNDLE
IN STOCK 2x2x37 ECT-32-B White Square Mailing Tubes 50-Pack M2237 - alias listing
Boxes - Mailers

2x2x37 ECT-32-B White Square Mailing Tubes 50-Pack M2237

PN: M2237

2 x 2 x 37 in ECT-32-B Corrugated 50 PER BUNDLE
$91.61 / BUNDLE
IN STOCK 12 1/8 x 11 5/8 x 2 5/8 in White Side Loading Locking Mailers 50-Pack MAL12112 - alias listing
Boxes - Mailers

12 1/8 x 11 5/8 x 2 5/8 in White Side Loading Locking Mailers 50-Pack MAL12112

PN: MAL12112

12 1/8 x 11 5/8 x 2 5/8 in ECT-32-B Corrugated 50 PER BUNDLE
$48.61 / BUNDLE
IN STOCK 30x24x4 White Corrugated Literature Mailers 25-Pack ML30244 - alias listing
Boxes - Mailers

30x24x4 White Corrugated Literature Mailers 25-Pack ML30244

PN: ML30244

30 x 24 x 4 in ECT-32-B Corrugated 25 PER BUNDLE
$153.81 / BUNDLE
IN STOCK 23x13x2.5 ECT-32-B White Corrugated Literature Mailers ML23132 - alias listing
Boxes - Mailers

23x13x2.5 ECT-32-B White Corrugated Literature Mailers ML23132

PN: ML23132

23 x 13 x 2 1/2 in ECT-32-B Corrugated 50 PER BUNDLE
$144.31 / BUNDLE
IN STOCK 18x12x3 White Self-Seal Corrugated Literature Mailers 25/Bundle ML18123 - alias listing
Boxes - Mailers

18x12x3 White Self-Seal Corrugated Literature Mailers 25/Bundle ML18123

PN: ML18123

18 x 12 x 3 in ECT-32-B Corrugated 25 PER BUNDLE
$58.49 / BUNDLE
IN STOCK 17.25x11.25x6 White Corrugated Literature Mailers 25-Pack ML17116 - alias listing
Boxes - Mailers

17.25x11.25x6 White Corrugated Literature Mailers 25-Pack ML17116

PN: ML17116

17 1/4 x 11.25 x 6 in ECT-32-B Corrugated 25 PER BUNDLE
$101.02 / BUNDLE
IN STOCK 17.25x11.25x4 White Corrugated Literature Mailers 25/Bundle ML17114 - alias listing
Boxes - Mailers

17.25x11.25x4 White Corrugated Literature Mailers 25/Bundle ML17114

PN: ML17114

17 1/4 x 11.25 x 4 in ECT-32-B Corrugated 25 PER BUNDLE
$66.08 / BUNDLE
IN STOCK 17.125x11.125x4 White Corrugated Literature Mailers 50-Pack M17114 - alias listing
Boxes - Mailers

17.125x11.125x4 White Corrugated Literature Mailers 50-Pack M17114

PN: M17114

17 1/8 x 11 1/8 x 4 in ECT-32-B Corrugated 50 PER BUNDLE
$137.85 / BUNDLE
IN STOCK 17 1/8 x 11 1/8 x 5 in White Corrugated Literature Mailers 50/Bundle M17115 - alias listing
Boxes - Mailers

17 1/8 x 11 1/8 x 5 in White Corrugated Literature Mailers 50/Bundle M17115

PN: M17115

17 1/8 x 11 1/8 x 5 in ECT-32-B Corrugated 50 PER BUNDLE
$165.42 / BUNDLE
IN STOCK 17 1/8 x 11 1/8 x 3 in White Corrugated Literature Mailers 50/Bundle M17113 - alias listing
Boxes - Mailers

17 1/8 x 11 1/8 x 3 in White Corrugated Literature Mailers 50/Bundle M17113

PN: M17113

17 1/8 x 11 1/8 x 3 in ECT-32-B Corrugated 50 PER BUNDLE
$111.03 / BUNDLE
IN STOCK 17 1/8 x 11 1/8 x 2 in White Corrugated Literature Mailers 50-Pack M17112 - alias listing
Boxes - Mailers

17 1/8 x 11 1/8 x 2 in White Corrugated Literature Mailers 50-Pack M17112

PN: M17112

17 1/8 x 11 1/8 x 2 in ECT-32-B Corrugated 50 PER BUNDLE
$87.35 / BUNDLE
IN STOCK 17x11x2.5 ECT-32-B White Corrugated Literature Mailers 25/Bundle ML17112 - alias listing
Boxes - Mailers

17x11x2.5 ECT-32-B White Corrugated Literature Mailers 25/Bundle ML17112

PN: ML17112

17 x 11 x 2 1/2 in ECT-32-B Corrugated 25 PER BUNDLE
$53.55 / BUNDLE
IN STOCK 16x16x2 White Self-Seal Corrugated Literature Mailers 50-Pack ML16162 - alias listing
Boxes - Mailers

16x16x2 White Self-Seal Corrugated Literature Mailers 50-Pack ML16162

PN: ML16162

16 x 16 x 2 in ECT-32-B Corrugated 50 PER BUNDLE
$123.81 / BUNDLE
IN STOCK 16x16x4 White Corrugated Literature Mailers 25-Pack ML16164 - alias listing
Boxes - Mailers

16x16x4 White Corrugated Literature Mailers 25-Pack ML16164

PN: ML16164

16 x 16 x 4 in ECT-32-B Corrugated 25 PER BUNDLE
$91.91 / BUNDLE
IN STOCK 16x12x3 White Self-Seal Corrugated Literature Mailers 50/Bundle ML16123 - alias listing
Boxes - Mailers

16x12x3 White Self-Seal Corrugated Literature Mailers 50/Bundle ML16123

PN: ML16123

16 x 12 x 3 in ECT-32-B Corrugated 50 PER BUNDLE
$124.57 / BUNDLE
IN STOCK 16x8x4 White Self-Seal Corrugated Literature Mailers 50-Pack ML1684 - alias listing
Boxes - Mailers

16x8x4 White Self-Seal Corrugated Literature Mailers 50-Pack ML1684

PN: ML1684

16 x 8 x 4 in ECT-32-B Corrugated 50 PER BUNDLE
$110.14 / BUNDLE
IN STOCK 16x10x3 White Corrugated Literature Mailers 50/Bundle ML16103 - alias listing
Boxes - Mailers

16x10x3 White Corrugated Literature Mailers 50/Bundle ML16103

PN: ML16103

16 x 10 x 3 in ECT-32-B Corrugated 50 PER BUNDLE
$107.86 / BUNDLE
IN STOCK 16x8x3 White Corrugated Literature Mailers 50-Pack ML1683 - alias listing
Boxes - Mailers

16x8x3 White Corrugated Literature Mailers 50-Pack ML1683

PN: ML1683

16 x 8 x 3 in ECT-32-B Corrugated 50 PER BUNDLE
$86.59 / BUNDLE
IN STOCK 15 1/8 x 11 1/8 x 5 in White Corrugated Literature Mailers 50-Pack M15115 - alias listing
Boxes - Mailers

15 1/8 x 11 1/8 x 5 in White Corrugated Literature Mailers 50-Pack M15115

PN: M15115

15 1/8 x 11 1/8 x 5 in ECT-32-B Corrugated 50 PER BUNDLE
$231.74 / BUNDLE
IN STOCK 15.125x11.125x4 White Corrugated Literature Mailers 50-Pack MIBMS1000 - alias listing
Boxes - Mailers

15.125x11.125x4 White Corrugated Literature Mailers 50-Pack MIBMS1000

PN: MIBMS1000

15 1/8 x 11 1/8 x 4 in ECT-32-B Corrugated 50 PER BUNDLE
$113.79 / BUNDLE
IN STOCK 15 1/8 x 11 1/8 x 3 in White Corrugated Literature Mailers 50-Pack M15113 - alias listing
Boxes - Mailers

15 1/8 x 11 1/8 x 3 in White Corrugated Literature Mailers 50-Pack M15113

PN: M15113

15 1/8 x 11 1/8 x 3 in ECT-32-B Corrugated 50 PER BUNDLE
$97.22 / BUNDLE
IN STOCK 14x14x3 White Self-Seal Corrugated Literature Mailers 50-Pack ML14143 - alias listing
Boxes - Mailers

14x14x3 White Self-Seal Corrugated Literature Mailers 50-Pack ML14143

PN: ML14143

14 x 14 x 3 in ECT-32-B Corrugated 50 PER BUNDLE
$122.29 / BUNDLE
IN STOCK 14x14x2 White Self-Seal Corrugated Literature Mailers 50-Pack M14142 - alias listing
Boxes - Mailers

14x14x2 White Self-Seal Corrugated Literature Mailers 50-Pack M14142

PN: M14142

14 x 14 x 2 in ECT-32-B Corrugated 50 PER BUNDLE
$107.10 / BUNDLE

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