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 8x8x8 W5c 250# Weather-Resistant Corrugated Boxes, 300 Pack Pallet
Boxes - Corrugated

8x8x8 W5c 250# Weather-Resistant Corrugated Boxes 25-Pack

PN: 888W5C

8 x 8 x 8 in W5c - 250# Single Wall Corrugated 25 PER BUNDLE
$93.58 / BUNDLE
IN STOCK Premium ECT-44 single wall kraft corrugated boxes deliver 40% greater stacking strength than standard shipping containers. These 8x8x8 heavy-duty cartons protect high-value inventory while maximizing pallet density and freight efficiency. Ships flat in bundles of 25 for easy storage and rapid deployment.
Boxes - Corrugated

8x8x8 ECT-44 Kraft Heavy-Duty Corrugated Shipping Boxes 25-Pack

PN: HD0808

8 x 8 x 8 in ECT-44 Single Wall Corrugated 25 PER BUNDLE
$28.71 / BUNDLE
IN STOCK ECT-32 single-wall white corrugated boxes deliver strong stacking performance and professional shipping appearance. The 8x8x8" cube design maximizes pallet density while the crisp white surface makes applied labels and shipping instructions highly visible. Sold in bundles of 25 for volume efficiency.
Boxes - Corrugated

8x8x8 ECT-32 White | Bundle Corrugated Shipping Boxes 25-Pack

PN: 888W

8 x 8 x 8 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$23.30 / BUNDLE
IN STOCK 8x8x6 White Corrugated Shipping Boxes Single Wall, 1,250 Pack Pallet, 32 ECT
Boxes - Corrugated

8x8x6 ECT-32 White Corrugated Shipping Boxes Single Wall 25-Pack

PN: 886W

8 x 8 x 6 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$22.36 / BUNDLE
IN STOCK 8x8x6 Kraft Corrugated Shipping Boxes, 1,675 Pack Pallet, 32 ECT
Boxes - Corrugated

8x8x6 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 886

8 x 8 x 6 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$16.68 / BUNDLE
IN STOCK Ship smarter with ECT-32 kraft corrugated boxes sized 8" x 8" x 2" – the ideal shallow-depth carton for apparel, books, artwork, and small merchandise. Each bundle of 25 ships flat, maximizing your warehouse storage efficiency and reducing inbound freight costs. Single-wall construction delivers reliable protection at competitive bulk pricing.
Boxes - Corrugated

8x8x2 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 882

8 x 8 x 2 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$26.58 / BUNDLE
IN STOCK 7x7x9 Kraft Corrugated Shipping Boxes, 1,025 Pack Pallet, 32 ECT
Boxes - Corrugated

7x7x9 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 779

7 x 7 x 9 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$27.27 / BUNDLE
IN STOCK Ship tall items efficiently with 6x6x10 corrugated boxes made from sturdy ECT-32 kraft material. Perfect for trophies, fishing rods, shelving, and other elongated products. 25-box flat-pack bundle reduces freight costs and storage footprint.
Boxes - Corrugated

6x6x10 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 6610

6 x 6 x 10 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$17.41 / BUNDLE
IN STOCK 8 x 8 x 8-inch kraft multi-depth corrugated box, SKU MD888.
Boxes - Corrugated

8x8x8 ECT-32 Kraft Multi-Depth Corrugated Shipping Boxes 25-Pack

PN: MD888

8 x 8 x 8 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$23.97 / BUNDLE
IN STOCK 8x8x8 Kraft Corrugated Cube Shipping Boxes, 1,525 Pack Pallet, 32 ECT
Boxes - Corrugated

8x8x8 ECT-32 Kraft Corrugated Cube Shipping Boxes 25-Pack

PN: 888

8 x 8 x 8 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$18.14 / BUNDLE
IN STOCK Ship tall items efficiently with our 4x4x12 corrugated boxes in ECT-32 kraft construction. End-loading design simplifies packing and sealing. Sold as a 25-pack bundle and shipped flat to maximize your storage and freight efficiency–ideal for trophies, shelving, fishing rods, and more.
Boxes - Corrugated

4x4x12 ECT-32 Kraft Corrugated Heavy Duty Shipping Boxes 25-Pack

PN: 4412

4 x 4 x 12 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$19.57 / BUNDLE
IN STOCK 10 7/8x2x12 1/4" ECT-32 Self Seal Side Load Box - 25 Pack
Boxes - Corrugated

10.875x2x12.25 ECT-32 Shipping Boxes 25-Pack

PN: 10212SSFOL

10 7/8 x 2 x 12 1/4 in ECT-32 Corrugated 25 PER BUNDLE
$103.20 / BUNDLE
IN STOCK 8x8x8 Kraft Double Wall Corrugated Boxes, 870 Pack Pallet, 48 ECT
Boxes - Corrugated

8x8x8 ECT-48 Kraft Double Wall Corrugated Boxes 15-Pack

PN: HD888DW

8 x 8 x 8 in ECT-48 Double Wall Corrugated 15 PER BUNDLE
$19.37 / BUNDLE
IN STOCK Heavy-duty 8x4x12" corrugated shipping boxes built from ECT-32 single-wall kraft material for reliable protection and cost efficiency. This 25-box bundle is ideal for warehouse managers and fulfillment centers requiring consistent stacking strength and freight optimization. Recyclable kraft construction reduces environmental impact while maintaining industry-standard durability.
Boxes - Corrugated

8x4x12 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 8412

8 x 4 x 12 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$30.96 / BUNDLE
IN STOCK 12x5x4 Kraft Corrugated Shipping Boxes, 1,850 Pack Pallet, 32 ECT
Boxes - Corrugated

12x5x4 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 1254

12 x 5 x 4 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$15.12 / BUNDLE
IN STOCK 10x7x7 ECT-32 Kraft Corrugated Boxes - Shipping, Bundle of 25
Boxes - Corrugated

10x7x7 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 1077

10 x 7 x 7 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$20.14 / 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 ->