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 11.25x8.75x6 ECT-32 Kraft Corrugated Boxes - Document Protection, 25-Pack
Boxes - Corrugated

11.25x8.75x6 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 1186R

11 1/4 x 8.75 x 6 in ECT-32 Corrugated 25 PER BUNDLE
$22.09 / BUNDLE
IN STOCK 11.25x8.75x4 White Corrugated Shipping Boxes, 1,000 Pack Pallet, 32 ECT
Boxes - Corrugated

11.25x8.75x4 ECT-32 White Corrugated Shipping Boxes 25-Pack

PN: 1184W

11 1/4 x 8.75 x 4 in ECT-32 Corrugated 25 PER BUNDLE
$28.21 / BUNDLE
IN STOCK 11.25x8.75x4 ECT-32 Kraft Corrugated Boxes - Shallow Depth Design, Bundle of 25
Boxes - Corrugated

11.25x8.75x4 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 1184

11 1/4 x 8.75 x 4 in ECT-32 Corrugated 25 PER BUNDLE
$22.64 / BUNDLE
IN STOCK 11.25x8.75x2.75 ECT-32 Kraft Corrugated Shipping Boxes - Shallow Depth, Bundle of 25
Boxes - Corrugated

11.25x8.75x2.75 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 1182

11 1/4 x 8.75 x 2 3/4 in ECT-32 Corrugated 25 PER BUNDLE
$22.44 / BUNDLE
IN STOCK 11.25x8.625x10 ECT-32 Kraft Corrugated Boxes - 25 Bundle
Boxes - Corrugated

11.25x8.625x10 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 11810

11 1/4 x 8.625 x 10 in ECT-32 Corrugated 25 PER BUNDLE
$27.04 / BUNDLE
IN STOCK 10x10x10 ECT-44 Kraft Corrugated Boxes - 40% Stronger, Bundle of 25
Boxes - Corrugated

10x10x10 ECT-44 Kraft Heavy-Duty Corrugated Shipping Boxes 25-Pack

PN: HD1010

10 x 10 x 10 in ECT-44 Single Wall Corrugated 25 PER BUNDLE
$38.15 / BUNDLE
IN STOCK 10x10x10" White Corrugated Boxes ECT-32 Single Wall - 25 Pack
Boxes - Corrugated

10x10x10 ECT-32 White Corrugated Shipping Boxes 25-Pack

PN: 101010W

10 x 10 x 10 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$31.17 / BUNDLE
IN STOCK 10x10x10 Multi-Depth Corrugated Boxes ECT-32 Kraft - 25 Pack
Boxes - Corrugated

10x10x10 ECT-32 Kraft Multi-Depth Corrugated Shipping Boxes 25-Pack

PN: MD101010

10 x 10 x 10 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$29.99 / BUNDLE
IN STOCK 10x10x10 ECT-32 Kraft Corrugated Cube Boxes - Bundle of 25
Boxes - Corrugated

10x10x10 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 101010

10 x 10 x 10 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$22.09 / BUNDLE
IN STOCK 10x10x8 ECT-32 Kraft Corrugated Boxes - Bundle of 25
Boxes - Corrugated

10x10x8 Kraft Corrugated Shipping Boxes 25-Pack

PN: 10108

10 x 10 x 8 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$25.53 / BUNDLE
IN STOCK 10x10x6 Double Wall Corrugated Boxes ECT-48 Kraft - Bundle of 15
Boxes - Corrugated

10x10x6 ECT-48 Kraft Double Wall Corrugated Shipping Boxes 15-Pack

PN: HD10106DW

10 x 10 x 6 in D.W./ECT-48 Corrugated 15 PER BUNDLE
$38.80 / BUNDLE
IN STOCK 10x10x3 ECT-32 Kraft Corrugated Boxes - Shallow Depth Shipping, Bundle of 25
Boxes - Corrugated

10x10x3 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 10103

10 x 10 x 3 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$23.12 / BUNDLE
IN STOCK ECT-32 single-wall kraft corrugated boxes sized 9" 9" 11" for mid-weight product shipping and storage. Each 25-pack bundle offers consistent crush strength and stackability for warehouse operations. Recyclable kraft material reduces environmental impact while maintaining performance standards.
Boxes - Corrugated

9x9x11 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 9911

9 x 9 x 11 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$26.80 / BUNDLE
IN STOCK ECT-32 single-wall corrugated boxes in 8x8x12" dimensions deliver reliable strength for mid-weight shipments and warehouse storage. This 25-box bundle offers excellent cost efficiency for fulfillment centers, e-commerce operations, and distribution facilities managing consistent volume needs. Kraft construction provides proven durability and full recyclability.
Boxes - Corrugated

8x8x12 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 8812

8 x 8 x 12 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$24.58 / BUNDLE
IN STOCK 6 3/4 x 4 5/16 x 10 3/8 ECT-51 Hazmat Paint Can Boxes - Bundle of 20
Boxes - Corrugated

6 3/4x4 5/16x10 3/8 ECT-51 Hazmat Paint Can Boxes 20-Pack

PN: HAZ1021

6 3/4 x 4 5/16 x 10 3/8 in ECT-51 Double Wall Corrugated 20 PER BUNDLE
$139.45 / BUNDLE
IN STOCK 4x4x16 Kraft Corrugated Shipping Boxes, 950 Pack Pallet, 32 ECT
Boxes - Corrugated

4x4x16 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 4416

4 x 4 x 16 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$29.11 / BUNDLE

Product Help Request

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

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

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 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 ->