Cube Boxes (Equal-Sided)

IN STOCK Industrial-grade ECT-48 double wall corrugated boxes engineered for maximum protection and stacking performance. These 22x22x22
Boxes - Corrugated

22x22x22 ECT-48 Heavy Duty Double Wall Corrugated Shipping Boxes 10-Pack

PN: HD222222DW

22 x 22 x 22 in ECT-48 Double Wall Corrugated 10 PER BUNDLE
$99.40 / BUNDLE
IN STOCK ECT-44 heavy-duty corrugated boxes engineered for maximum stacking strength and protection. These 24x24x24 kraft cartons deliver 40% greater durability than standard shipping containers, reducing damage claims and freight costs. Sold flat in bundles of 10 for efficient warehouse storage and rapid deployment.
Boxes - Corrugated

24x24x24 ECT-44 Kraft Heavy-Duty Corrugated Shipping Boxes 10-Pack

PN: HD242424

24 x 24 x 24 in ECT-44 Single Wall Corrugated 10 PER BUNDLE
$100.37 / BUNDLE
IN STOCK Heavy-duty ECT-48 double wall corrugated boxes designed for warehouses and fulfillment centers that demand maximum stacking performance and damage protection. 24x24x24 dimensions with integrated hand holes for safer, more efficient material handling. Sold as a bundle of 10 kraft boxes.
Boxes - Corrugated

24x24x24 ECT-48 Double Wall Corrugated Shipping Boxes w/ Hand Holes 10-Pack

PN: HD242424DWHH

24 x 24 x 24 in ECT-48 Double Wall Corrugated 10 PER BUNDLE
$147.75 / BUNDLE
IN STOCK Industrial-grade 24x24x24 triple wall corrugated boxes engineered for heavy loads and long-distance shipments. ECT-90 kraft construction delivers over ½
Boxes - Corrugated

24x24x24 ECT-90 Triple Wall Corrugated Boxes 5-Pack

PN: HD242424TW

24 x 24 x 24 in ECT-90 Triple Wall Corrugated 5 PER BUNDLE
$159.86 / BUNDLE
IN STOCK Ship round and odd-shaped products with confidence using our 25x25x25
Boxes - Corrugated

25x25x25 ECT-32 Kraft Corrugated Cube Shipping Boxes 10-Pack

PN: 252525

25 x 25 x 25 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$77.31 / BUNDLE
IN STOCK Heavy-duty ECT-48 double wall corrugated boxes built for demanding warehouse and fulfillment operations. 25x25x25 cube dimensions maximize pallet density and reduce freight costs. Ships flat to save 80% storage space–order in bundles of 5.
Boxes - Corrugated

25x25x25 ECT-48 Kraft Heavy Duty Cube Double Wall Corrugated Shipping Box 5-Pack

PN: HD252525DW

25 x 25 x 25 in ECT-48 Double Wall Corrugated 5 PER BUNDLE
$92.76 / BUNDLE
IN STOCK Create professional insulated shipping containers with these one-piece gusseted 20x20x20 liners. Each case includes 10 liners featuring aluminum foil exterior and 3/16
Boxes - Corrugated

20x20x20 Aluminum Foil Insulated Box Liners 10/Case

PN: INL202020

20 x 20 x 20 in Aluminum Foil Exterior / 3/16" Bubble Lining 10 PER CASE
$198.64 / CASE
IN STOCK Create professional insulated shipping containers with our 18x18x18 insulated box liners–featuring aluminum foil exterior and 3/16
Boxes - Corrugated

18x18x18 Aluminum Foil Bubble Lined Insulated Box Liners 10/Case

PN: INL181818

18 x 18 x 18 in Aluminum Foil Exterior / 3/16" Bubble Lining 10 PER CASE
$173.12 / CASE
IN STOCK Create custom insulated shipping containers with these leak-resistant 16x16x16 box liners. One-piece gusseted design sets up instantly with no assembly required. FDA-compliant aluminum foil exterior with 3/16
Boxes - Corrugated

16x16x16 Insulated Box Liners 15/Case

PN: INL1616

16 x 16 x 16 in Aluminum Foil Exterior / 3/16" Bubble Lining 15 PER CASE
$193.44 / CASE
IN STOCK 14x14x14
Boxes - Corrugated

14x14x14 Aluminum Foil Bubble Lined Insulated Box Liners 15/Case

PN: INL141414

14 x 14 x 14 in Aluminum Foil Exterior / 3/16" Bubble Lining 15 PER CASE
$164.32 / CASE
IN STOCK Create professional insulated shipping containers with these leak-resistant 12x12x12 box liners. Features aluminum foil exterior with 3/16
Boxes - Corrugated

12x12x12 Insulated Box Liners Aluminum Foil Bubble 25/Case

PN: INL1212

12 x 12 x 12 in Aluminum Foil Exterior / 3/16" Bubble Lining 25 PER CASE
$166.83 / CASE
IN STOCK Create custom insulated shipping containers with these durable 10x10x10 insulated box liners. Each case includes 25 one-piece gusseted liners featuring aluminum foil exterior with 3/16
Boxes - Corrugated

10x10x10 Aluminum Foil Bubble Lined Insulated Box Liners 25/Case

PN: INL101010

10 x 10 x 10 in Aluminum Foil Exterior / 3/16" Bubble Lining 25 PER CASE
$135.42 / CASE
IN STOCK Create custom insulated shipping containers with these leak-resistant 8x8x8 box liners. One-piece gusseted design sets up in seconds with FDA-compliant aluminum foil exterior and 3/16
Boxes - Corrugated

8x8x8 FDA Food Safe Aluminum Foil Insulated Box Liners 25/Case

PN: INL888

8 x 8 x 8 in Aluminum Foil Exterior / 3/16" Bubble Lining 25 PER CASE
$167.70 / CASE
IN STOCK Create reliable insulated shipping containers with these 6x6x6 aluminum foil liners featuring 3/16
Boxes - Corrugated

6x6x6 Insulated Box Liners 25/Case

PN: INL666

6 x 6 x 6 in Aluminum Foil Exterior / 3/16" Bubble Lining 25 PER CASE
$230.10 / CASE

Product Help Request

Send the SKU, quantity, delivery ZIP, and any required specs so we can route the request.

Overview

Cube boxes — equal-sided corrugated from 4x4x4 up to 24x24x24 and beyond. The most efficient shape for mixed loads and the easiest to stack, palletize, and estimate freight for. Bundle quantities with per-box pricing on every product page, shipped from 5 US regional warehouses.

How to choose: cubes maximize volume per surface area, which means less board per cubic foot and predictable stacking — pick the size whose interior just clears your largest item, and step to double wall grades past ~40–65 lb. Browse by band: small, medium, large, or the size chart.

Frequently asked questions

Why choose a cube box over a rectangular box?
Cubes stack in any orientation, waste the least board per cubic foot, and palletize without orientation planning. For mixed or irregular contents, a cube usually beats a rectangle of the same volume on both protection and freight.

What are the most common cube box sizes?
6x6x6, 8x8x8, 10x10x10, 12x12x12, and 16x16x16 cover most parcel shipping; 18x18x18 through 24x24x24 are the moving and bulk staples. Every size lists its grade and per-box price on the product page.

Updated August 1, 2026. Sizes refresh automatically as catalog stock changes.

Buying path

Buy Cube Boxes (Equal-Sided) 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 needs, send support the details before placing a large order.

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 calculator -> Contact support for larger orders -> Compare corrugated box types -> View products below ->