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 ECT-32 kraft corrugated boxes sized 17" × 14" × 10" deliver proven stacking strength for mid-weight products and efficient freight consolidation. Sold as a bundle of 25 units, these recyclable cardboard shipping boxes reduce per-unit costs while maintaining consistent protection for warehouse and fulfillment operations.
Boxes - Corrugated

17x14x10 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 171410

17 x 14 x 10 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$51.60 / BUNDLE
IN STOCK Ship smart with shallow-depth ECT-32 kraft corrugated boxes sized 17" x 14" x 5". Perfect for lightweight goods like apparel, books, and artwork. Each bundle of 25 ships flat to maximize warehouse storage and reduce freight costs–no wasted cube.
Boxes - Corrugated

17x14x5 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 17145

17 x 14 x 5 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$41.11 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes sized 20" x 12" x 4" deliver optimal protection for shallow inventory without excess wasted space. Ships flat in bundles of 25 for maximum storage efficiency and freight savings. Ideal for apparel, books, artwork, frames, and mirrors.
Boxes - Corrugated

20x12x4 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 20124

20 x 12 x 4 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$38.03 / BUNDLE
IN STOCK Heavy-duty ECT-32 single wall corrugated boxes measuring 17.25" x 14.25" x 10" designed for reliable mid-size shipments and storage. Kraft construction provides proven durability and stacking strength for warehouse operations. Ships flat to maximize your storage efficiency–bundle of 25 boxes per carton.
Boxes - Corrugated

17.25x14.25x10 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 171410R

17 1/4 x 14.25 x 10 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$56.67 / BUNDLE
IN STOCK Specialized 28x4x4" corrugated shipping cartons engineered for long and narrow products like wine bottles, umbrellas, and carpet rolls. ECT-32 kraft construction delivers reliable protection while the extended length maximizes packing efficiency. Sold flat in bundles of 25 for space-saving storage and quick deployment.
Boxes - Corrugated

28x4x4 ECT-32 Kraft Corrugated Boxes 25-Pack

PN: 2844

28 x 4 x 4 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$44.64 / BUNDLE
IN STOCK Professional 26x6x20 side loading boxes built from ECT-32 single wall kraft corrugated. Ships and stores flat–maximizing your warehouse efficiency and reducing freight costs. Bundle of 10 units ready for immediate deployment in your fulfillment operation.
Boxes - Corrugated

26x6x20 ECT-32 Kraft Side Loading Boxes 10-Pack

PN: 26620FOL

26 x 6 x 20 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$42.13 / BUNDLE
IN STOCK 24x8x8 Kraft Corrugated Shipping Boxes, 775 Pack Pallet, 32 ECT
Boxes - Corrugated

24x8x8 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 2488

24 x 8 x 8 in ECT-32 Corrugated 25 PER BUNDLE
$36.29 / BUNDLE
IN STOCK Purpose-built 24x8x6" corrugated shipping boxes with long-side openings for efficient packing of narrow items like wine bottles, umbrellas, and carpet rolls. ECT-32 kraft construction provides reliable protection at volume pricing. Sold flat in bundles of 25 for maximum freight efficiency and storage savings.
Boxes - Corrugated

24x8x6 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 2486

24 x 8 x 6 in ECT-32 Corrugated 25 PER BUNDLE
$33.63 / BUNDLE
IN STOCK Industrial-grade 22x10x10 corrugated shipping boxes designed for reliable mid-size product protection. ECT-32 kraft construction delivers proven stacking strength and freight efficiency. Buy by the bundle of 20 and reduce per-unit costs.
Boxes - Corrugated

22x10x10 ECT-32 Kraft Corrugated Shipping Boxes 20-Pack

PN: 221010

22 x 10 x 10 in ECT-32 Single Wall Corrugated 20 PER BUNDLE
$35.73 / BUNDLE
IN STOCK ECT-32 single-wall kraft corrugated boxes in 22x10x9" dimensions designed for reliable mid-weight product shipping and storage. Bundle of 20 boxes reduces per-unit cost and simplifies inventory management for warehouse and fulfillment operations. Recyclable kraft material supports sustainability goals while delivering proven structural performance.
Boxes - Corrugated

22x10x9 ECT-32 Kraft Corrugated Shipping Boxes 20-Pack

PN: 22109

22 x 10 x 9 in ECT-32 Single Wall Corrugated 20 PER BUNDLE
$33.92 / BUNDLE
IN STOCK Ship long, narrow items efficiently with these 22x10x8" ECT-32 kraft corrugated boxes. Wide lengthwise openings enable fast, ergonomic packing of wine bottles, umbrellas, carpet rolls, and similar products. Sold flat in bundles of 20 for maximum freight efficiency and storage savings.
Boxes - Corrugated

22x10x8 ECT-32 Kraft Corrugated Boxes 20-Pack

PN: 22108

22 x 10 x 8 in ECT-32 Single Wall Corrugated 20 PER BUNDLE
$32.19 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes sized 22" × 10" × 6"–engineered for shallow products like apparel, books, and framed items. Sold as a bundle of 25 and shipped flat to maximize your warehouse efficiency and minimize freight spend.
Boxes - Corrugated

22x10x6 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 22106

22 x 10 x 6 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$36.06 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes sized 22" x 10" x 4" designed for shallow-profile products like apparel, books, and artwork. Ships flat to maximize storage efficiency and minimize freight expense. Sold as a bundle of 25 boxes.
Boxes - Corrugated

22x10x4 ECT-32 Kraft Corrugated Boxes 25-Pack

PN: 22104

22 x 10 x 4 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$32.79 / BUNDLE
IN STOCK ECT-32 single-wall kraft corrugated boxes sized 20" × 12" × 16" deliver reliable stacking performance for mid-weight shipping and storage. Bundle of 20 ships flat to maximize freight efficiency and minimize warehouse space. Industry-standard construction trusted by fulfillment centers nationwide.
Boxes - Corrugated

20x12x16 ECT-32 Kraft Corrugated Shipping Boxes 20-Pack

PN: 201216

20 x 12 x 16 in ECT-32 Single Wall Corrugated 20 PER BUNDLE
$67.41 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes engineered for long, narrow items like wine bottles, umbrellas, and carpet rolls. 20"×12"×12" dimensions with long-side opening design for fast packing. Sold as a bundle of 20 boxes, shipped flat to maximize freight efficiency and reduce storage footprint.
Boxes - Corrugated

20x12x12 ECT-32 Kraft Corrugated Shipping Boxes 20-Pack

PN: 201212

20 x 12 x 12 in ECT-32 Single Wall Corrugated 20 PER BUNDLE
$39.84 / BUNDLE
IN STOCK ECT-32 single wall corrugated boxes sized 20" × 12" × 10" deliver proven strength for standard industrial shipping. This bundle of 20 kraft cartons provides consistent protection and stackability for mid-size products, e-commerce fulfillment, and warehouse operations. Recyclable kraft material reduces environmental impact while maintaining reliable performance.
Boxes - Corrugated

20x12x10 ECT-32 Kraft Corrugated Shipping Boxes 20-Pack

PN: 201210

20 x 12 x 10 in ECT-32 Single Wall Corrugated 20 PER BUNDLE
$39.52 / 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 ->