Cube Boxes (Equal-Sided)

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
$104.38 / 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
$155.14 / 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" thickness and plywood-equivalent protection without premium pricing. Sold in bundles of 5 to maximize freight efficiency and reduce per-unit costs.
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
$171.05 / BUNDLE
IN STOCK Ship round and odd-shaped products with confidence using our 25x25x25" cube boxes manufactured from ECT-32 kraft corrugated. This versatile, stackable carton ships flat and assembles quickly–perfect for fulfillment centers moving high volumes. Sold in bundles of 10 with volume pricing available.
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
$80.40 / 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" bubble lining for superior thermal protection. FDA-compliant materials ensure safe food contact and leak resistance for temperature-sensitive products.
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" bubble lining for maximum thermal protection. One-piece gusseted design sets up in seconds, and FDA-compliant materials ensure food-safe compliance. Sold as a case of 10.
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" bubble lining provides superior temperature protection for food, pharmaceuticals, and temperature-sensitive products.
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" Insulated Box Liners - Aluminum Foil Bubble Lined, Case of 15
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" bubble lining for superior thermal protection and product integrity. One-piece gusseted design sets up in seconds–sold as a case of 25 liners.
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" bubble lining for superior temperature protection and leak resistance. FDA-compliant materials safe for food contact.
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" bubble lining. Sold by the case (25 units).
Boxes - Corrugated

8 x 8 x 8" Insulated Box Liners, Case of 50

PN: INL888

8 x 8 x 8 in Aluminum Foil Exterior / 3/16" Bubble Lining 50 PER CASE
$167.70 / CASE
IN STOCK Create reliable insulated shipping containers with these 6x6x6 aluminum foil liners featuring 3/16" bubble lining. One-piece gusseted design sets up in seconds with zero assembly hassle. FDA-compliant materials ensure food-contact safety–sold as a case of 75 for maximum cost efficiency.
Boxes - Corrugated

6x6x6 Insulated Box Liners 75/Case

PN: INL666

6 x 6 x 6 in Aluminum Foil Exterior / 3/16" Bubble Lining 75 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 have equal listed length, width and depth. Compare the selected 6-, 8-, 12-, 16-, 18- and 20-inch formats below by inside space, grade and purchase count.

Measure the complete packed item, including the cushioning and closure your process requires. Compare that measurement with the exact product’s usable interior. The examples below distinguish explicit inside dimensions from a listed size that still needs confirmation.

Compare selected current box formats

Curated examples, not the complete assortment. Sizes are inches; counts are whole purchase units.
Exact SKU Dimensions Listed board / construction Boxes per unit Fit evidence
666 6 × 6 × 6 ECT-32 25 Inside dimensions explicit
888 8 × 8 × 8 ECT-32 25 Inside dimensions explicit
121212 12 × 12 × 12 ECT-32; single wall 25 Inside dimensions explicit
161616 16 × 16 × 16 ECT-32 25 Inside dimensions explicit
181818 18 × 18 × 18 ECT-32 20 Inside dimensions explicit
202020 20 × 20 × 20 ECT-32 10 Listed size; confirm usable interior

ECT is an edge-crush rating of the corrugated board. It does not establish a finished carton’s safe payload, drop resistance or stacking limit. Keep wall construction separate from ECT, and evaluate the complete package for the item, storage and shipping method.

Choose a shape around the packed item

A cube is one useful shape; it is not automatically the cheapest shape to ship or the best arrangement on a pallet. Compare a rectangular alternative when the item is long, flat or asymmetric. Evaluate the finished parcel and pallet pattern rather than assuming efficiency from equal sides.

Plan whole bundles

Box purchase-unit calculator

120 boxes at 25 per unit require 5 units: 125 boxes, 5 extra.

Whole purchase units = round up(boxes needed ÷ boxes per unit). The count must come from the selected SKU, not the box size. Quantity planning does not confirm fit or payload.

For 120 boxes, a 25-count format requires five units. A 10-count format requires twelve. Compare the same required count, then include the surplus produced by whole-unit rounding. A lower bundle price does not necessarily mean a lower delivered price per box.

For a bulk or wholesale shipping-box order, send each SKU, required boxes or bundles, destination ZIP, required date and receiving conditions. Include residential or commercial delivery, dock or forklift access, and any liftgate or appointment requirement. Compare actual checkout shipping or a written delivered quote. No freight rate is inferred from size alone.

Questions before ordering

Can I buy by the individual box?

These examples are sold in the purchase counts shown. The product page establishes the order unit and current ordering details.

Does a stronger ECT number mean I can pack more weight?

A board rating alone cannot answer that. Confirm wall construction and the complete packaging requirements for your shipment; test the packed item where appropriate.

How should I compare two suppliers?

Match usable size, construction, grade and boxes supplied. Divide the merchandise total plus actual shipping and applicable fees by boxes supplied, using the same tax treatment for both orders.

Continue your buying plan

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 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 ->