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 single-wall kraft corrugated boxes sized 24" x 24" x 12" deliver 4 cubic feet of capacity per box–ideal for mid-sized shipping and storage needs. Sold as a bundle of 10, these industrial-grade cardboard cartons maximize pallet efficiency and reduce freight costs. Built tough for reliable stacking performance in high-volume fulfillment operations.
Boxes - Corrugated

24x24x12 ECT-32 Kraft Corrugated Shipping Boxes 10-Pack

PN: 242412

24 x 24 x 12 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$40.26 / BUNDLE
IN STOCK 24x24x10 Kraft Corrugated Heavy Duty Shipping Boxes, 260 Pack Pallet, 32 ECT
Boxes - Corrugated

24x24x10 ECT-32 Kraft Corrugated Heavy Duty Shipping Boxes 10-Pack

PN: 242410

24 x 24 x 10 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$43.34 / BUNDLE
IN STOCK Heavy-duty 24x24x9 corrugated shipping boxes built from ECT-32 kraft material deliver reliable stacking performance and freight efficiency for warehouse operations. Each bundle contains 10 boxes–ideal for mid-size shipments, seasonal peaks, and cost-effective inventory management. Recyclable kraft construction meets sustainability goals without compromising strength.
Boxes - Corrugated

24x24x9 ECT-32 Kraft Corrugated Shipping Boxes 10-Pack

PN: 24249

24 x 24 x 9 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$43.19 / BUNDLE
IN STOCK Ship shallow products efficiently with these 24x24x8 corrugated boxes manufactured from ECT-32 kraft material. Sold as a bundle of 10 and ship flat to maximize storage and freight efficiency. Perfect for apparel, books, picture frames, and artwork.
Boxes - Corrugated

24x24x8 ECT-32 Kraft Corrugated Shipping Boxes 10-Pack

PN: 24248

24 x 24 x 8 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$46.82 / BUNDLE
IN STOCK ECT-32 kraft corrugated shipping boxes with shallow 7" depth for efficient packing of apparel, books, and artwork. Ships flat to maximize warehouse storage and reduce freight costs. Bundle of 10 boxes per unit.
Boxes - Corrugated

24x24x7 ECT-32 Kraft Corrugated Boxes 10-Pack

PN: 24247

24 x 24 x 7 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$43.72 / BUNDLE
IN STOCK Ship shallow products efficiently with these 24x24x4 ECT-32 kraft corrugated boxes. Designed for apparel, books, artwork, and picture frames, they maximize space utilization and reduce dimensional weight charges. Bundle of 10 flat-shipped cartons minimizes storage footprint.
Boxes - Corrugated

24x24x4 ECT-32 Kraft Corrugated Shipping Boxes 10-Pack

PN: 24244

24 x 24 x 4 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$36.72 / BUNDLE
IN STOCK Heavy-duty ECT-32 single-wall corrugated boxes sized 36" × 12" × 16" for long product shipping and storage. Ships flat to maximize warehouse space and freight efficiency. Bundle of 15 boxes delivers bulk savings for high-volume fulfillment operations.
Boxes - Corrugated

36x12x16 ECT-32 Kraft Corrugated Shipping Boxes 15-Pack

PN: 361216

36 x 12 x 16 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$81.90 / BUNDLE
IN STOCK ECT-48 heavy-duty double wall corrugated boxes sized 36" × 12" × 12" deliver maximum stacking strength and crush resistance for demanding fulfillment operations. Bundle of 10 ships flat to maximize storage efficiency and reduce freight costs. Kraft construction provides reliable protection for mid-to-large product shipments.
Boxes - Corrugated

36x12x12 ECT-48 Double Wall Corrugated Boxes 10-Pack

PN: HD361212DW

36 x 12 x 12 in ECT-48 Double Wall Corrugated 10 PER BUNDLE
$58.91 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes designed for long, narrow products like wine bottles, umbrellas, and carpet rolls. Wide openings along the 32" length enable fast, efficient packing. Sold flat in bundles of 15 to maximize freight efficiency and reduce storage footprint.
Boxes - Corrugated

32x16x16 ECT-32 Kraft Corrugated Shipping Boxes 15-Pack

PN: 321616

32 x 16 x 16 in ECT-32 Corrugated 15 PER BUNDLE
$103.66 / BUNDLE
IN STOCK Right-size shipments and eliminate inventory bloat with these 28x20x24 multi-depth corrugated boxes. Scored side walls fold to multiple heights–no carton sizer required. ECT-32 kraft construction handles parcel and freight services while cutting per-unit packaging costs.
Boxes - Corrugated

28x20x24 ECT-32 Kraft Multi-Depth Corrugated Shipping Boxes 10-Pack

PN: MD282024

28 x 20 x 24 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$94.11 / BUNDLE
IN STOCK Packrift's 28x20x20 corrugated boxes deliver ECT-32 single-wall strength in an industry-standard size perfect for mid-weight products and e-commerce fulfillment. Ship and store flat to maximize warehouse efficiency–bundle of 10 boxes ready to go.
Boxes - Corrugated

28x20x20 ECT-32 Kraft Corrugated Shipping Boxes 10-Pack

PN: 282020

28 x 20 x 20 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$51.16 / BUNDLE
IN STOCK ECT-32 single-wall kraft corrugated boxes sized 28" × 20" × 12" deliver standard industrial strength for cost-conscious warehouse operations. Sold in bundles of 15 to maximize freight efficiency and reduce per-unit packaging costs. Recyclable kraft construction meets modern sustainability standards.
Boxes - Corrugated

28x20x12 ECT-32 Kraft Corrugated Shipping Boxes 15-Pack

PN: 282012

28 x 20 x 12 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$64.24 / BUNDLE
IN STOCK 28x20x10 Kraft Corrugated Shipping Boxes, 195 Pack Pallet, 32 ECT
Boxes - Corrugated

28x20x10 ECT-32 Kraft Corrugated Shipping Boxes 15-Pack

PN: 282010

28 x 20 x 10 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$90.21 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes in 26" × 22" × 12" dimensions deliver industry-standard strength for reliable stacking and crush resistance. Ship and store flat to maximize warehouse space and reduce freight costs. Bundle of 15 boxes ready for immediate deployment.
Boxes - Corrugated

26x22x12 ECT-32 Kraft Corrugated Shipping Boxes 15-Pack

PN: 262212

26 x 22 x 12 in ECT-32 Corrugated 15 PER BUNDLE
$108.53 / BUNDLE
IN STOCK Heavy-duty ECT-32 kraft corrugated shipping boxes in 25.25x23x5" dimensions–the proven industry standard for mid-sized cartons. Bundle of 15 boxes ships flat to maximize storage efficiency and reduce freight costs. Built for reliable stacking performance in any fulfillment operation.
Boxes - Corrugated

25.25x23x5 ECT-32 Kraft Corrugated Shipping Boxes 15-Pack

PN: 25235R

25 1/4 x 23 x 5 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$117.81 / BUNDLE
IN STOCK Heavy-duty 24x24x24 deluxe moving boxes built from ECT-32 single-wall kraft corrugated for maximum stacking strength and freight efficiency. Exclusive flap-lock tabs keep closure flaps secure during storage and transit–no reshaping required. Sold as a bundle of 10 for reliable volume savings.
Boxes - Corrugated

24x24x24 ECT-32 Kraft Corrugated Moving Boxes 10-Pack

PN: 242424DPB

24 x 24 x 24 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$77.65 / BUNDLE

Product Help Request

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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

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Confirm

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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 ->