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 8x6x8 Kraft Corrugated Shipping Boxes, 1,150 Pack Pallet, 32 ECT
Boxes - Corrugated

8x6x8 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 868

8 x 6 x 8 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$24.34 / BUNDLE
IN STOCK 4x4x10 Kraft Corrugated Shipping Boxes, 1,475 Pack Pallet, 32 ECT
Boxes - Corrugated

4x4x10 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 4410

4 x 4 x 10 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$18.75 / BUNDLE
IN STOCK 7x7x7 Kraft Double Wall Corrugated Shipping Boxes, 645 Pack Pallet, 48 ECT
Boxes - Corrugated

7x7x7 ECT-48 Kraft Double Wall Corrugated Shipping Boxes 15-Pack

PN: HD777DW

7 x 7 x 7 in D.W./ECT-48 Corrugated 15 PER BUNDLE
$25.87 / BUNDLE
IN STOCK 10x5x5 Kraft Corrugated Shipping Boxes, 2,075 Pack Pallet, 32 ECT
Boxes - Corrugated

10x5x5 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 1055

10 x 5 x 5 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$13.45 / BUNDLE
IN STOCK Reliable ECT-32 single-wall corrugated boxes measuring 9" 6" 5" for mid-weight shipping and storage applications. Each bundle contains 25 kraft boxes with proven stacking strength and cost-effective performance. Recyclable material reduces environmental impact while maintaining durability for warehouse operations.
Boxes - Corrugated

9x6x5 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 965

9 x 6 x 5 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$14.39 / BUNDLE
IN STOCK ECT-32 single-wall corrugated boxes in a convenient 9" 6" 4" format, sold as a 25-pack bundle. Built for reliable protection of small to medium items during shipping and storage. Recyclable kraft material reduces waste while keeping your fulfillment costs predictable.
Boxes - Corrugated

9x6x4 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 964

9 x 6 x 4 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$13.35 / BUNDLE
IN STOCK Ship smarter with 9x6x3 corrugated boxes built from ECT-32 single wall kraft material–ideal for shallow, lightweight products like apparel, books, and artwork. These shipping cartons arrive flat-packed (25 per bundle) to maximize your warehouse storage and minimize freight spend without sacrificing durability.
Boxes - Corrugated

9x6x3 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 963

9 x 6 x 3 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$14.38 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes engineered for shipping long, narrow products like wine bottles, umbrellas, and carpet rolls. The 12" x 3" x 3" long format features wide openings along the length for efficient packing and reduced labor time. Sold as a bundle of 25 flat cartons.
Boxes - Corrugated

12x3x3 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 1233

12 x 3 x 3 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$21.80 / BUNDLE
IN STOCK 10x5x4 Kraft Corrugated Shipping Boxes, 1,500 Pack Pallet, 32 ECT
Boxes - Corrugated

10x5x4 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 1054

10 x 5 x 4 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$18.53 / BUNDLE
IN STOCK Compact 9 x 6 x 7 inch kraft corrugated boxes rated ECT-32 for reliable protection and stackability. Bundle of 25 ships flat to maximize warehouse storage and reduce freight costs. Industry-standard single-wall construction for small-to-medium item fulfillment.
Boxes - Corrugated

9x6x7 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 967

9 x 6 x 7 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$25.14 / BUNDLE
IN STOCK 9x6x6 Kraft Corrugated Shipping Boxes, 1,725 Pack Pallet, 32 ECT
Boxes - Corrugated

9x6x6 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 966

9 x 6 x 6 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$16.11 / BUNDLE
IN STOCK ECT-32 kraft corrugated shipping boxes sized 9" 6" 2" for shallow merchandise. Ship flat in bundles of 25 to maximize storage efficiency and reduce freight costs. Ideal for apparel, books, frames, and artwork with reliable single-wall protection.
Boxes - Corrugated

9x6x2 ECT-32 Kraft Corrugated Boxes 25-Pack

PN: 962

9 x 6 x 2 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$21.73 / BUNDLE
IN STOCK Economical ECT-32 single wall corrugated boxes sized 8"7"7" for standard fulfillment needs. Bundle of 25 kraft cartons offers reliable stacking strength and freight efficiency. Recyclable packaging solution trusted by warehouse and fulfillment operations.
Boxes - Corrugated

8x7x7 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 877

8 x 7 x 7 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$19.55 / BUNDLE
IN STOCK ECT-32 single-wall kraft corrugated boxes in 7" 7" 8" dimensions deliver proven strength for standard industrial shipping needs. This 25-pack bundle offers dependable protection at competitive per-unit cost, with recyclable kraft construction that reduces waste. Ideal for e-commerce fulfillment, product storage, and regional distribution.
Boxes - Corrugated

7x7x8 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 778

7 x 7 x 8 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$17.63 / BUNDLE
IN STOCK DOT-compliant ECT-44 single-wall corrugated boxes designed for safe 2-quart paint can shipping. Pre-printed with mandatory hazmat warnings and "This Side Up" arrows. Ships flat to maximize warehouse storage efficiency–order 25-pack bundles and reduce freight costs per unit.
Boxes - Corrugated

10.25x5.125x6.1875 ECT-44 Hazmat Paint Can Box 25-Pack

PN: HAZ1042

10 1/4 x 5.125 x 6 3/16 in ECT-44 Single Wall Corrugated 25 PER BUNDLE
$168.33 / BUNDLE
IN STOCK 9x6x9 Kraft Corrugated Shipping Boxes, 1,025 Pack Pallet, 32 ECT
Boxes - Corrugated

9x6x9 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 969

9 x 6 x 9 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$27.25 / 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 ->