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 11 1/8 x 8 3/4 x 4
Boxes - Mailers

11 1/8 x 8 3/4 x 4 in White Corrugated Literature Mailers Self-Seal 50/Bundle M1184

PN: M1184

11 1/8 x 8 3/4 x 4 in ECT-32-B Corrugated 50 PER BUNDLE
$83.22 / BUNDLE
IN STOCK 11 1/8 x 8 3/4 x 3
Boxes - Mailers

11 1/8 x 8 3/4 x 3 in White Literature Mailers 50-Pack

PN: M1183

11 1/8 x 8 3/4 x 3 in ECT-32-B Corrugated 50 PER BUNDLE
$68.69 / BUNDLE
IN STOCK 11 1/8x8 3/4x2 5/16
Boxes - Mailers

11 1/8 x 8 3/4 x 2 5/16 in White Corrugated Literature Mailers 50-Pack

PN: M1182D

11 1/8 x 8 3/4 x 2 5/16 in ECT-32-B Corrugated 50 PER BUNDLE
$60.76 / BUNDLE
IN STOCK 11 1/8 x 8 3/4 x 2
Boxes - Mailers

11 1/8 x 8 3/4 x 2 in ECT-32-B White Corrugated Literature Mailers 50-Pack

PN: M1182

11 1/8 x 8 3/4 x 2 in ECT-32-B Corrugated 50 PER BUNDLE
$53.47 / BUNDLE
IN STOCK 11 1/8 x 8 3/4 x 1
Boxes - Mailers

11 1/8 x 8 3/4 x 1 in ECT-32-B White Corrugated Literature Mailers 50-Pack

PN: ML1181

11 1/8 x 8 3/4 x 1 in ECT-32-B Corrugated 50 PER BUNDLE
$61.85 / BUNDLE
IN STOCK Professional-grade 11x11x2 white corrugated literature mailers designed for e-commerce brands shipping catalogs, samples, and promotional materials. Strong ECT-32-B construction with self-sealing tabs ensures secure closure and damage-free delivery. 50-count bundle ships ready to assemble–no additional packing supplies required.
Boxes - Mailers

11x11x2 White Corrugated Literature Mailers 50-Pack

PN: ML11112

11 x 11 x 2 in ECT-32-B Corrugated 50 PER BUNDLE
$84.31 / BUNDLE
IN STOCK Professional white literature mailers sized at 11
Boxes - Mailers

11x10x4 White Corrugated Literature Mailers 50/Bundle

PN: ML11104

11 x 10 x 4 in ECT-32-B Corrugated 50 PER BUNDLE
$103.30 / BUNDLE
IN STOCK Ready-to-ship white corrugated literature mailers sized at 11x6.5x2.75
Boxes - Mailers

11x6.5x2.75 White Corrugated Literature Mailers 50-Pack

PN: M1162

11 x 6.5 x 2 3/4 in ECT-32-B Corrugated 50 PER BUNDLE
$54.68 / BUNDLE
IN STOCK 10.25 x 8.25 x 4
Boxes - Mailers

10.25x8.25x4 White Corrugated Literature Mailers 50-Pack

PN: ML1084

10 1/4 x 8.25 x 4 in ECT-32-B Corrugated 50 PER BUNDLE
$100.60 / BUNDLE
IN STOCK 10.25x8.25x2 White Corrugated Literature Mailers - 50 Pack
Boxes - Mailers

10.25x8.25x2 White Corrugated Literature Mailers 50-Pack

PN: ML1082

10 1/4 x 8.25 x 2 in ECT-32-B Corrugated 50 PER BUNDLE
$58.49 / BUNDLE
IN STOCK 10x10x4
Boxes - Mailers

10x10x4 White Corrugated Literature Mailers 50-Pack M10104

PN: M10104

10 x 10 x 4 in ECT-32-B Corrugated 50 PER BUNDLE
$96.46 / BUNDLE
IN STOCK Professional 10x10x3 white corrugated mailers designed for e-commerce brands shipping literature, catalogs, and flat products. ECT-32-B crush-resistant construction with secure tuck-and-fold closure requires no additional supplies. Sold as a bundle of 50 mailers.
Boxes - Mailers

10x10x3 White Corrugated Literature Mailers 50-Pack

PN: ML10103

10 x 10 x 3 in ECT-32-B Corrugated 50 PER BUNDLE
$91.91 / BUNDLE
IN STOCK Professional 10
Boxes - Mailers

10x10x2 White Self-Seal Corrugated Literature Mailers 50-Pack

PN: M10102

10 x 10 x 2 in ECT-32-B Corrugated 50 PER BUNDLE
$56.21 / BUNDLE
IN STOCK Professional-grade white literature mailer in 10x9x4 dimensions with sturdy ECT-32-B corrugated construction and self-sealing tabs for secure closure. One-piece fold-and-tuck design assembles in seconds without additional supplies or equipment. Sold as a bundle of 50 crush-resistant mailers perfect for e-commerce brands shipping marketing materials, catalogs, and promotional items.
Boxes - Mailers

10x9x4 White Corrugated Literature Mailers 50/Bundle

PN: ML1094

10 x 9 x 4 in ECT-32-B Corrugated 50 PER BUNDLE
$153.52 / BUNDLE
IN STOCK 10x9x3 White Corrugated Literature Mailers, 50-Pack
Boxes - Mailers

10x9x3 White Corrugated Literature Mailers 50-Pack

PN: ML1093

10 x 9 x 3 in ECT-32-B Corrugated 50 PER BUNDLE
$84.31 / BUNDLE
IN STOCK 10x9x2 White Literature Mailers ECT-32 Corrugated - 50-Pack
Boxes - Mailers

10x9x2 ECT-32 White Corrugated Literature Mailers 50-Pack

PN: ML1092

10 x 9 x 2 in ECT-32-B Corrugated 50 PER BUNDLE
$61.52 / BUNDLE
IN STOCK Transparent 2 mil poly envelopes designed for e-commerce, 3PL, and shipping operations that demand visible document tracking. The clear face allows packing lists and miscellaneous documents to be read instantly without opening, while tamper-proof adhesion keeps contents secure. Ships in cases of 1000 units–the efficient choice for high-volume mailing operations.
Packing List Envelopes

9.5x6 2 Mil Clear Tamper Proof Packing List Envelopes 1000/Case

PN: PL525

9 1/2 x 6 in 2 Mil Poly 1000 PER CASE
$83.36 / CASE
IN STOCK Transparent 2 mil poly document envelopes designed for e-commerce and 3PL operations. 9x14
Packing List Envelopes

9x14 2 Mil Clear Self-Adhesive Packing List Envelopes 500/Case

PN: PL477

9 x 14 in 2 Mil Poly 500 PER CASE
$114.08 / CASE
IN STOCK Crystal-clear 2 mil poly document envelopes (7
Packing List Envelopes

7x10 2 Mil Clear Tamper Proof Packing List Envelopes 1000/Case

PN: PL520

7 x 10 in 2 Mil Poly 1000 PER CASE
$96.08 / CASE
IN STOCK Transparent 7x6 document envelopes let customers see contents instantly while protecting with 2 mil tamper-proof poly. Ideal for packing lists, invoices, and shipping labels. 1000 envelopes per case.
Packing List Envelopes

7x6 2 Mil Clear Document Packing List Envelopes 1000/Case

PN: PL524

7 x 6 in 2 Mil Poly 1000 PER CASE
$80.59 / CASE
IN STOCK 7x5.5
Packing List Envelopes

7x5.5 2 Mil Clear Packing List Envelopes 1000/Case

PN: PL21

7 x 5.5 in 2 Mil Poly 1000 PER CASE
$46.97 / CASE
IN STOCK Get crystal-clear document visibility with our 6.5x10
Packing List Envelopes

6.5x10 2 Mil Clear Self-Adhesive Packing List Envelopes 1000/Case

PN: PL476

6 1/2 x 10 in 2 Mil Poly 1000 PER CASE
$80.64 / CASE
IN STOCK Protect your packing lists and shipping documents with crystal-clear visibility. These 6.5
Packing List Envelopes

6.5x5.5 2 Mil Clear Face Packing List Envelopes 1000/Case

PN: PL523

6 1/2 x 5.5 in 2 Mil Poly 1000 PER CASE
$77.44 / CASE
IN STOCK Crystal-clear 2 mil poly document envelopes designed for e-commerce fulfillment and 3PL operations. The 6x12
Packing List Envelopes

6x12 2 Mil Clear Self-Adhesive Packing List Envelopes 1000/Case

PN: PL475

6 x 12 in 2 Mil Poly 1000 PER CASE
$102.18 / CASE
IN STOCK 6x9
Packing List Envelopes

6x9 2 Mil Clear Tamper Proof Packing List Envelopes 1000/Case

PN: PL474

6 x 9 in 2 Mil Poly 1000 PER CASE
$79.00 / CASE
IN STOCK Crystal-clear 2 Mil poly envelopes (5.5
Packing List Envelopes

5.5x10 2 Mil Clear Self-Adhesive Packing List Envelopes 1000/Case

PN: PL28

5 1/2 x 10 in 2 Mil Poly 1000 PER CASE
$68.55 / CASE
IN STOCK Crystal-clear transparency lets recipients instantly verify contents without opening. These 2 mil poly packing list envelopes provide tamper-evident security while maintaining complete document visibility. Perfect for e-commerce, 3PL, and logistics operations requiring back-load efficiency–1,000 envelopes per case.
Packing List Envelopes

5.5x4.5 2 Mil Clear Face Packing List Envelopes 1000/Case

PN: PL522

5 1/2 x 4.5 in 2 Mil Poly 1000 PER CASE
$45.01 / CASE
IN STOCK 5 1/8 x 8
Packing List Envelopes

5 1/8 x 8 in 2 Mil Clear Tamper Proof Document Envelopes 1000/Case

PN: PL473

5 1/8 x 8 in 2 Mil Poly 1000 PER CASE
$58.92 / CASE
IN STOCK Crystal-clear 2 mil poly document envelopes designed for e-commerce and 3PL operations. Your packing lists and shipping documents are immediately visible through the transparent face–no guesswork on what's inside. Tamper-proof seal keeps contents secure while reducing handling time at pickup.
Packing List Envelopes

4.5x7.5 2 Mil Clear Tamper Proof Self-Adhesive Packing List Envelopes 1000/Case

PN: PL472

4 1/2 x 7.5 in 2 Mil Poly 1000 PER CASE
$49.08 / CASE
IN STOCK Professional-grade 4.5x6 clear face document envelopes with 2 mil poly thickness and tamper-evident security. Transparent design ensures packing lists and shipping documents are instantly readable without opening packages. Ships in full cases of 1,000 units.
Packing List Envelopes

4.5x6 2 Mil Clear Tamper Proof Packing List Envelopes 1000/Case

PN: PL5

4 1/2 x 6 in 2 Mil Poly 1000 PER CASE
$36.87 / CASE
IN STOCK These 4.5x5.5
Packing List Envelopes

4.5x5.5 2 Mil Clear Packing List Envelopes 1000/Case

PN: PL11

4 1/2 x 5.5 in 2 Mil Poly 1000 PER CASE
$32.29 / CASE
IN STOCK Crystal-clear 2 mil poly document envelopes designed for e-commerce and 3PL operations. Your packing lists, shipping labels, and miscellaneous documents stay visible and protected through the transparent poly face. Tamper-evident design keeps contents secure during transit. 1000 envelopes per case.
Packing List Envelopes

4x3 2 Mil Clear Face Packing List Envelopes 1000/Case

PN: PL521

4 x 3 in 2 Mil Poly 1000 PER CASE
$35.58 / CASE
IN STOCK Crystal-clear 2 mil poly document envelopes designed for e-commerce and 3PL operations. Your packing list stays visible and protected through the transparent face. Ships in convenient cases of 1,000 units with tamper-evident security.
Packing List Envelopes

3x4.5 2 Mil Clear Self-Adhesive Packing List Envelopes 1000/Case

PN: PL470

3 x 4 1/2 in 2 Mil Poly 1000 PER CASE
$35.58 / CASE
IN STOCK 10x8x3 White Corrugated Literature Mailers - Self-Seal, 50 Pack
Boxes - Mailers

10x8x3 White Self-Seal Corrugated Literature Mailers 50-Pack

PN: ML1083

10 x 8 x 3 in ECT-32-B Corrugated 50 PER BUNDLE
$71.40 / BUNDLE
IN STOCK 10x4x3 White Literature Mailers, ECT-32-B Corrugated, 50-Count Bundle
Boxes - Mailers

10x4x3 ECT-32-B White Corrugated Literature Mailers

PN: ML1043

10 x 4 x 3 in ECT-32-B Corrugated 50 PER BUNDLE
$60.00 / BUNDLE
IN STOCK 10x3x3 White Corrugated Literature Mailers - Self-Seal, 50/Bundle
Boxes - Mailers

10x3x3 White Self-Seal Corrugated Literature Mailers 50/Bundle

PN: ML1033

10 x 3 x 3 in ECT-32-B Corrugated 50 PER BUNDLE
$48.61 / BUNDLE
IN STOCK Ready-to-use white corrugated literature mailers sized perfectly at 9
Boxes - Mailers

9x9x4 White Corrugated Literature Mailers 50-Pack

PN: ML994

9 x 9 x 4 in ECT-32-B Corrugated 50 PER BUNDLE
$88.87 / BUNDLE
IN STOCK Professional 9
Boxes - Mailers

9x9x3 White Self-Seal Corrugated Literature Mailers 50-Pack

PN: M993

9 x 9 x 3 in ECT-32-B Corrugated 50 PER BUNDLE
$66.84 / BUNDLE
IN STOCK Ship literature, documents, and promotional materials with professional confidence using these 9x9x2 white corrugated literature mailers. Features self-sealing tabs that fit snugly for secure closure and strong ECT-32-B corrugated construction that resists crushing. Bundle of 50 ready to fold and ship.
Boxes - Mailers

9x9x2 White Self-Seal Corrugated Literature Mailers 50/Bundle

PN: ML992

9 x 9 x 2 in ECT-32-B Corrugated 50 PER BUNDLE
$51.65 / BUNDLE
IN STOCK Professional 9
Boxes - Mailers

9x8x2 White Self-Seal Corrugated Literature Mailers 50-Pack

PN: ML982

9 x 8 x 2 in ECT-32-B Corrugated 50 PER BUNDLE
$47.09 / BUNDLE
IN STOCK Professional-grade 9x7.5x3 white corrugated literature mailers designed for e-commerce brands shipping catalogs, brochures, and marketing materials. Heavy-duty ECT-32-B construction delivers crush resistance and reliable protection in a fold-and-tuck format requiring no additional supplies. Bundle of 50 mailers ready to ship.
Boxes - Mailers

9x7.5x3 ECT-32-B White Corrugated Literature Mailers 50/Bundle

PN: ML973

9 x 7.5 x 3 in ECT-32-B Corrugated 50 PER BUNDLE
$58.49 / BUNDLE
IN STOCK Ship marketing materials and catalogs with professional impact using these crush-resistant 9x6.5x6 white corrugated mailers. One-piece fold-and-tuck design requires no additional supplies–just assemble and ship. Strong ECT-32-B corrugated construction protects contents while snug-fitting tabs ensure secure closure every time. Bundle of 50 units.
Boxes - Mailers

9x6.5x6 White Corrugated Literature Mailers 50-Pack

PN: ML966

9 x 6.5 x 6 in ECT-32-B Corrugated 50 PER BUNDLE
$130.64 / BUNDLE
IN STOCK Ship marketing collateral and product literature with professional protection. These 9x6.5x4 white corrugated mailers feature self-sealing tabs for quick assembly–no extra supplies needed. ECT-32-B crush-resistant construction ensures your content arrives pristine, sold in convenient 50-piece bundles.
Boxes - Mailers

9x6.5x4 White Corrugated Literature Mailers 50/Bundle

PN: ML964

9 x 6.5 x 4 in ECT-32-B Corrugated 50 PER BUNDLE
$85.07 / BUNDLE
IN STOCK Professional white corrugated literature mailers sized 9
Boxes - Mailers

9x6.5x2.75 White Corrugated Literature Mailers 50-Pack

PN: M962

9 x 6.5 x 2 3/4 in ECT-32-B Corrugated 50 PER BUNDLE
$45.01 / BUNDLE
IN STOCK Ship catalogs, brochures, and marketing materials with confidence using these 9x6.5x1.75 white corrugated literature mailers. Engineered with ECT-32-B crush-resistant construction and self-sealing tabs that fit snugly for secure closure. Bundle of 50–ready to assemble with zero additional supplies.
Boxes - Mailers

9x6.5x1.75 White Corrugated Literature Mailers 50-Pack

PN: ML961

9 x 6.5 x 1 3/4 in ECT-32-B Corrugated 50 PER BUNDLE
$51.65 / BUNDLE
IN STOCK Professional white corrugated literature mailers sized 9
Boxes - Mailers

9x6.25x4 White Corrugated Literature Mailers 50-Pack M964

PN: M964

9 x 6.25 x 4 in ECT-32-B Corrugated 50 PER BUNDLE
$76.71 / BUNDLE
IN STOCK Professional 9
Boxes - Mailers

9x4x3 White Self-Seal Corrugated Literature Mailers 50-Pack

PN: ML943

9 x 4 x 3 in ECT-32-B Corrugated 50 PER BUNDLE
$53.17 / BUNDLE
IN STOCK Ship branded materials with professional presentation using these 8
Boxes - Mailers

8x8x4 ECT-32-B White Corrugated Literature Mailers 50-Pack

PN: ML884

8 x 8 x 4 in ECT-32-B Corrugated 50 PER BUNDLE
$71.40 / BUNDLE

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