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 11x9x9" corrugated boxes made from ECT-32 kraft material deliver standard strength performance for mid-size shipments and storage applications. Sold in convenient bundles of 25 to maximize freight efficiency and reduce per-box costs. Fully recyclable kraft construction meets sustainability requirements.
Boxes - Corrugated

11x9x9 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 1199

11 x 9 x 9 in ECT-32 Corrugated 25 PER BUNDLE
$28.34 / BUNDLE
IN STOCK 11x9x6 Kraft Corrugated Shipping Boxes, 1,200 Pack Pallet, 32 ECT
Boxes - Corrugated

11x9x6 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 1196

11 x 9 x 6 in ECT-32 Corrugated 25 PER BUNDLE
$23.15 / BUNDLE
IN STOCK 10x10x9" ECT-32 Kraft Corrugated Boxes, 25-Pack
Boxes - Corrugated

10x10x9 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 10109

10 x 10 x 9 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$27.72 / BUNDLE
IN STOCK 10x10x7 ECT-32 Kraft Corrugated Boxes - Shipping, Bundle of 25
Boxes - Corrugated

10x10x7 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 10107

10 x 10 x 7 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$24.93 / BUNDLE
IN STOCK Standard-strength ECT-32 kraft corrugated boxes sized 10" 10" 6" for mid-weight products and e-commerce shipping. Sold in convenient bundles of 25 cartons. Recyclable material reduces waste while delivering dependable protection and stacking performance.
Boxes - Corrugated

10x10x6 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 10106

10 x 10 x 6 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$20.69 / BUNDLE
IN STOCK 10x10x5" ECT-32 Kraft Corrugated Boxes - Shallow Depth Shipping, Bundle of 25
Boxes - Corrugated

10x10x5 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 10105

10 x 10 x 5 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$21.55 / BUNDLE
IN STOCK 10x10x4 ECT-32 Kraft Corrugated Boxes - Shallow Depth Shipping, Bundle of 25
Boxes - Corrugated

10x10x4 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 10104

10 x 10 x 4 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$19.99 / BUNDLE
IN STOCK 10x10x2 Kraft Corrugated Shipping Boxes, 775 Pack Pallet, 32 ECT
Boxes - Corrugated

10x10x2 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 10102

10 x 10 x 2 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$36.18 / BUNDLE
IN STOCK Ship long and narrow items efficiently with these 14x6x6" ECT-32 kraft corrugated boxes featuring a wide long-side opening for fast packing. Manufactured from single-wall kraft corrugated for reliable protection of wine bottles, umbrellas, carpet rolls, and similar products. Sold flat in bundles of 25 to maximize your warehouse storage and reduce freight costs.
Boxes - Corrugated

14x6x6 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 1466

14 x 6 x 6 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$20.34 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes in 14" 6" 2" shallow depth design–engineered for apparel, books, artwork, and lightweight products. Ships flat in bundles of 25 to maximize your warehouse storage and reduce freight costs. Reliable single-wall construction meets industry standards.
Boxes - Corrugated

14x6x2 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 1462

14 x 6 x 2 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$26.74 / BUNDLE
IN STOCK Industry-standard 12 x 8 x 8" white corrugated boxes with ECT-32 single-wall construction deliver reliable durability at competitive cost. Ships and stores flat, cutting freight expenses and warehouse footprint. Sold in bundles of 25 for immediate inventory efficiency.
Boxes - Corrugated

12x8x8 ECT-32 White Corrugated Shipping Boxes 25-Pack

PN: 1288W

12 x 8 x 8 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$33.77 / BUNDLE
IN STOCK Heavy-duty ECT-48 double wall corrugated boxes designed for warehouse managers and fulfillment directors who need maximum stacking strength and damage protection. These 12x8x6 kraft cartons deliver superior cushioning for mid-weight shipments while shipping flat to maximize storage efficiency. Bundle of 15 cartons per pack.
Boxes - Corrugated

12x8x6 ECT-48 Kraft Double Wall Shipping Boxes Corrugated 15-Pack

PN: HD1286DW

12 x 8 x 6 in D.W./ECT-48 Corrugated 15 PER BUNDLE
$34.64 / BUNDLE
IN STOCK These 12" 8" 4" ECT-32 kraft corrugated boxes deliver reliable protection for shallow products while maximizing freight efficiency. Sold as a bundle of 25 and ship flat to save valuable warehouse space and reduce logistics costs. Perfect for apparel, books, frames, artwork, and mirrors.
Boxes - Corrugated

12x8x4 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 1284

12 x 8 x 4 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$20.60 / BUNDLE
IN STOCK 11.25x8.75x11 ECT-32 Kraft Corrugated Boxes - Single Wall, Bundle of 25
Boxes - Corrugated

11.25x8.75x11 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 11811

11 1/4 x 8.75 x 11 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$28.79 / BUNDLE
IN STOCK 11.25x8.75x10 ECT-44 Kraft Corrugated Boxes - 40% Stronger, Bundle of 25
Boxes - Corrugated

11.25x8.75x10 ECT-44 Kraft Heavy-Duty Corrugated Shipping Boxes 25-Pack

PN: HD11810R

11 1/4 x 8.75 x 10 in ECT-44 Single Wall Corrugated 25 PER BUNDLE
$55.03 / BUNDLE
IN STOCK ECT-44 single wall kraft corrugated boxes delivering 40% greater strength than standard shipping containers. Engineered for demanding warehouse and fulfillment operations with exceptional stacking performance. Sold flat in bundles of 25–maximize your freight efficiency and storage density.
Boxes - Corrugated

11.25x8.75x6 ECT-44 Kraft Heavy-Duty Corrugated Shipping Boxes 25-Pack

PN: HD1186R

11 1/4 x 8.75 x 6 in ECT-44 Single Wall Corrugated 25 PER BUNDLE
$30.42 / 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

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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 ->