Boxes & Mailers

SELECTION EXPERT ADVICE

Wall Strength & Load Capacity
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Match single-, double-, or triple-wall corrugated construction to your product weight to prevent in-transit damage and minimize costly returns.
Dimensional Weight Cost Control
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Right-sized boxes cut carrier DIM weight charges, selecting the optimal LxWxH for each SKU directly lowers your per-shipment freight cost.
Mailer Box vs. RSC: Choose Correctly
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Self-locking mailer boxes suit branded DTC shipments; traditional RSC corrugated boxes are ideal for palletized B2B and high-volume fulfillment.

Need help choosing boxes?

Pick the right corrugated box without overpaying for size or strength

Use these buying guides to size your box, compare board strength, and avoid dimensional weight surcharges.

Corrugated Boxes Guide → How to choose size, strength, and wall type Box Size Calculator → Find the smallest safe box for your product 32 ECT vs 200 lb Test → Which board strength rating fits your shipment
Overview

3,094 corrugated boxes, literature mailers and mailing tubes from 2 to 36 inches, mostly ECT-32 kraft and white, sold in bundles of 10 to 50. Each listing shows inside dimensions, board grade and bundle count so you can match a carton to the part you ship. 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

IN STOCK Display your products with confidence using these 14.5x19" Clear View Poly Mailers. Featuring a durable 2.5 mil tear-resistant polyethylene construction with self-seal closure and dual perforations for easy opening, these mailers combine professional presentation with reliable protection. Sold by the case of 100.
Envelopes & Mailers

14.5x19 Self-Seal Clear View Poly Mailers 100/Case

PN: CV1419

14 1/2 x 19 in 2.5 Mil Polyethylene 100 PER CASE
$65.09 / CASE
IN STOCK Display-ready 14x17" clear view poly mailers with professional opaque back for addresses. Self-seal closure with double perforations for quick, secure sealing. 2.5 mil tear-resistant polyethylene protects contents in 100-count cases.
Envelopes & Mailers

14x17 Self-Seal Clear View Poly Mailers 100/Case

PN: CV1417

14 x 17 in 2.5 Mil Polyethylene 100 PER CASE
$45.07 / CASE
IN STOCK Display-front poly mailers designed for e-commerce brands who need professional presentation and reliable protection. Clear front window showcases contents while opaque back accommodates postage and labeling. Self-seal closure with double perforations for fast, easy opening–shipped in cases of 100.
Envelopes & Mailers

12x15.5 2.5 Mil Clear Self-Seal Poly Mailers 100/Case

PN: CV1215

12 x 15 1/2 in 2.5 Mil Polyethylene 100 PER CASE
$38.06 / CASE
IN STOCK Display your products while protecting them. These 9x12" clear view poly mailers feature a transparent front window and self-seal closure for professional presentation. Made from tear-resistant 2.5 mil polyethylene with double perforations for easy opening. Sold as a case of 100.
Envelopes & Mailers

9x12 2.5 Mil Clear Self-Seal Poly Mailers 100/Case

PN: CV912100PK

9 x 12 in 2.5 Mil Polyethylene 100 PER CASE
$23.19 / CASE
IN STOCK Display your products while protecting them. These 6x9" clear view poly mailers feature a transparent front panel for product visibility and opaque back for postage. Self-sealing closure with double perforations ensures quick, reliable sealing every time. Tear-resistant 2.5 mil polyethylene construction holds up through handling and shipping.
Envelopes & Mailers

6x9 2.5 Mil Clear Self-Seal Poly Mailers 100/Case

PN: CV69

6 x 9 in 2.5 Mil Polyethylene 100 PER CASE
$20.03 / CASE
IN STOCK Display products while protecting contents with our 5x7 clear view poly mailers featuring durable 2.5 mil self-sealing polyethylene. Transparent front window showcases items; opaque white back accommodates postage and addresses. Double perforated edges enable quick, clean opening.
Envelopes & Mailers

5x7 2.5 Mil Clear Self-Seal Poly Mailers 100-Pack

PN: CV57

5 x 7 in 2.5 Mil Polyethylene 100 PER CASE
$17.63 / CASE
IN STOCK Ship fragile items with confidence using these 20x14.25" bubble lined poly mailers. Each 25-pack features a durable 2-mil polyethylene exterior and 3/16" bubble lining that absorbs shock and prevents damage. Peel-and-seal closure, moisture-resistant, and tear-proof for reliable protection every time.
Envelopes & Mailers

20x14.25 #7 2 Mil White Self-Seal Bubble Mailers 25-Pack

PN: B83725PK

20 x 14.25 in 2 Mil Polyethylene / 3/16" Bubble Lining 25 PER CASE
$44.95 / CASE
IN STOCK Ship fragile items safely with these 19" x 12.5" bubble lined poly mailers featuring 3/16" cushioning and 2-mil polyethylene construction. Peel-and-seal closure provides tamper evidence and moisture resistance in every shipment. 25-pack case ready to stock your fulfillment operation.
Envelopes & Mailers

19x12.5 #6 Self-Seal Bubble Mailers 25-Pack

PN: B83925PK

19 x 12.5 in 2 Mil Polyethylene / 3/16" Bubble Lining 25 PER CASE
$39.95 / CASE
IN STOCK Protect fragile goods with professional-grade 16x10.5" bubble lined poly mailers featuring 3/16" air cushion lining and heavy-duty 2 mil polyethylene. Peel-and-seal closure, moisture and tear resistant. Case of 25 mailers ready to ship.
Envelopes & Mailers

16x10.5 #5 Self-Seal Bubble Mailers 25-Pack

PN: B83625PK

16 x 10.5 in 2 Mil Polyethylene / 3/16" Bubble Lining 25 PER CASE
$26.29 / CASE
IN STOCK Ship fragile items confidently with these 9.5x14.5" bubble lined poly mailers featuring 3/16" bubble cushioning and 2-mil polyethylene construction. Peel-and-seal closure ensures tamper evidence and quick sealing for high-volume e-commerce operations. Pack of 25 provides reliable, cost-effective protection per shipment.
Envelopes & Mailers

9.5x14.5 #4 2 Mil White Self-Seal Bubble Mailers 25-Pack

PN: B83425PK

9 1/2 x 14 1/2 in 2 Mil Polyethylene / 3/16" Bubble Lining 25 PER CASE
$21.91 / CASE
IN STOCK Ship fragile goods safely with these 8.5x14.5" bubble lined poly mailers featuring 3/16" cushioning and peel-and-seal closure. Constructed from 2 mil polyethylene with integrated bubble protection, these tear-proof, moisture-resistant mailers meet carrier requirements and reduce damage claims. Case of 25 delivers reliable protection per unit at industrial scale.
Envelopes & Mailers

8.5x14.5 #3 Self-Seal Bubble Mailers 25-Pack

PN: B83825PK

8 1/2 x 14 1/2 in 2 Mil Polyethylene / 3/16" Bubble Lining 25 PER CASE
$21.02 / CASE
IN STOCK Ship fragile items with confidence using these 12x8.5" bubble lined poly mailers featuring 3/16" air bubble cushioning and durable 2 mil polyethylene construction. Each 25-pack includes peel-and-seal closure for fast, secure sealing with zero additional materials. Moisture, tear, and tamper resistant–the professional choice for e-commerce packers and high-volume shippers.
Envelopes & Mailers

12x8.5 #2 Self-Seal Bubble Mailers 25-Pack

PN: B83325PK

12 x 8.5 in 2 Mil Polyethylene / 3/16" Bubble Lining 25 PER CASE
$19.28 / CASE
IN STOCK Ship fragile e-commerce items with confidence using these 12x7.25" bubble lined poly mailers. Each case includes 25 self-sealing mailers with 3/16" bubble lining and durable 2 mil polyethylene construction that resists moisture, tears, and tampering. Ideal for apparel, electronics, jewelry, and breakable items.
Envelopes & Mailers

12x7.25 #1 2 Mil Self-Seal Bubble Mailers 25-Pack

PN: B83225PK

12 x 7.25 in 2 Mil Polyethylene / 3/16" Bubble Lining 25 PER CASE
$17.52 / CASE
IN STOCK Protect fragile items with these 7.25" x 8" bubble lined poly mailers featuring integrated bubble cushioning and a reliable peel-and-seal closure. Each 25-pack of white polyethylene mailers combines moisture, tear, and tamper resistance in one lightweight, cost-effective shipping solution for e-commerce packers and fragile goods shippers.
Envelopes & Mailers

7.25x8 White Self-Seal Bubble Mailers 25-Pack

PN: B82725PK

7.25 x 8 in Polyethylene 25 PER CASE
$19.28 / CASE
IN STOCK Ship fragile items with confidence using these 6.5" x 10" bubble lined poly mailers featuring 3/16" air-filled bubble cushioning for maximum shock protection. Each case includes 25 mailers with durable 2-mil polyethylene exterior and peel-and-seal closure that's moisture, tear, and tamper resistant–ideal for e-commerce packers and fragile goods shippers.
Envelopes & Mailers

6.5x10 White Self-Seal Bubble-Lined Poly Padded Mailers 25-Pack

PN: B83125PK

6.5 x 10 in 2 Mil Polyethylene / 3/16" Bubble Lining 25 PER CASE
$11.82 / CASE
IN STOCK 10 x 5" Bubble Lined Poly Mailers, 3/16" Cushioning - 25 Pack
Envelopes & Mailers

10x5 #00 Self-Seal Bubble Mailers 25-Pack

PN: B82925PK

10 x 5 in 2 Mil Polyethylene / 3/16" Bubble Lining 25 PER CASE
$16.78 / CASE

Product Help Request

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Buying path

Buy Boxes & 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

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Reorder

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Larger orders

For pallet, recurring, or mixed-SKU orders, send your list and ZIP and get a delivered price by email.

What to check first

  • Inside dimensions
  • Board grade or strength rating
  • Box style and closure
  • Case or bundle quantity
Common wrong-order risk: Choosing the outside size instead of the inside size. Confirm product fit, void fill, and storage space before ordering.
Use the box size finder -> Get a delivered quote for larger orders -> Compare corrugated box types -> View products below ->