Cube Boxes (Equal-Sided)

IN STOCK Reduce carton SKUs and parcel shipping costs with these ECT-32 kraft corrugated boxes featuring pre-scored multi-depth sides for flexible height adjustments. Score-folded design eliminates the need for a carton sizer, enabling one box to replace multiple inventory slots. Bundle of 25 units delivers immediate cost savings for warehouses and fulfillment operations.
Boxes - Corrugated

4x4x4 ECT-32 Kraft Multi-Depth Corrugated Shipping Boxes 25-Pack

PN: MD444

4 x 4 x 4 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$13.67 / BUNDLE
IN STOCK Ship round, cylindrical, and odd-shaped products with confidence using our 3x3x3 ECT-32 kraft corrugated cube boxes. Manufactured from durable single-wall corrugated material, this popular size delivers reliable protection and optimal freight efficiency. Sold in convenient bundles of 25 boxes, flat-shipped to maximize your warehouse space and reduce packaging costs.
Boxes - Corrugated

3x3x3 ECT-32 Kraft Corrugated Cube Shipping Box 25-Pack

PN: 333

3 x 3 x 3 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$10.91 / BUNDLE
IN STOCK White corrugated shipping boxes in a compact 4x4x4 cube design, built with ECT-32 single wall strength. Perfect for small product shipments, sample boxes, or retail fulfillment. Sold in bundles of 25 to maximize your packaging efficiency and reduce per-unit costs.
Boxes - Corrugated

4x4x4 ECT-32 White Corrugated Shipping Boxes 25-Pack

PN: 444W

4 x 4 x 4 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$13.09 / BUNDLE
IN STOCK Compact 5x5x5
Boxes - Corrugated

5x5x5 ECT-32 White Corrugated Shipping Boxes Single Wall 25-Pack

PN: 555W

5 x 5 x 5 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$20.57 / BUNDLE
IN STOCK Heavy-duty 7x7x7 double wall corrugated shipping boxes with ECT-48 rating for maximum stacking performance and freight efficiency. Ships flat to reduce storage footprint and handling costs. Bundle of 15 kraft boxes per unit–the industry standard for mid-sized shipments.
Boxes - Corrugated

7x7x7 ECT-48 Kraft Double Wall Corrugated Shipping Boxes 15-Pack

PN: HD777DW

7 x 7 x 7 in D.W./ECT-48 Corrugated 15 PER BUNDLE
$25.87 / BUNDLE
IN STOCK Engineered for high-performance warehouse operations: these ECT-44 single wall kraft corrugated boxes deliver 40% greater stacking strength than standard shipping containers. At 6
Boxes - Corrugated

6x6x6 ECT-44 Kraft Heavy-Duty Corrugated Shipping Boxes 25-Pack

PN: HD666

6 x 6 x 6 in ECT-44 Single Wall Corrugated 25 PER BUNDLE
$18.87 / BUNDLE
IN STOCK Heavy-duty 7x7x7
Boxes - Corrugated

7x7x7 ECT-32 White Corrugated Shipping Boxes Single Wall 25-Pack

PN: 777W

7 x 7 x 7 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$28.60 / BUNDLE
IN STOCK Ship round and cylindrical items with confidence using our ECT-32 kraft corrugated 4x4x4 cube boxes. Each bundle contains 25 flat-shipped cartons ready for quick assembly. Proven stacking strength and compact footprint maximize freight efficiency for fulfillment operations.
Boxes - Corrugated

4x4x4 ECT-32 Kraft Cube Corrugated Shipping Boxes 25-Pack

PN: 444

4 x 4 x 4 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$8.07 / BUNDLE
IN STOCK ECT-32 kraft corrugated cube boxes sized 5x5x5
Boxes - Corrugated

5x5x5 ECT-32 Kraft Corrugated Cube Shipping Boxes 25-Pack

PN: 555

5 x 5 x 5 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$11.22 / BUNDLE
IN STOCK Ship round, cylindrical, and odd-shaped products with confidence using these 7x7x7 ECT-32 kraft corrugated boxes. The cube design maximizes packing efficiency while the single-wall construction delivers reliable protection at competitive cost. Sold flat in convenient bundles of 25.
Boxes - Corrugated

7x7x7 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 777

7 x 7 x 7 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$16.72 / BUNDLE
IN STOCK Engineered for maximum protection and stacking performance, these 6x6x6 double wall corrugated boxes feature ECT-48 kraft construction that delivers exceptional crush resistance and durability. Bundle of 15 ships flat, reducing storage footprint and freight costs for your operation.
Boxes - Corrugated

6x6x6 ECT-48 Kraft Heavy-Duty Corrugated Double Wall Shipping Boxes 15-Pack

PN: HD666DW

6 x 6 x 6 in ECT-48 Double Wall Corrugated 15 PER BUNDLE
$20.21 / BUNDLE
IN STOCK Professional-grade 6x6x6
Boxes - Corrugated

6x6x6 ECT-32 White Corrugated Shipping Boxes 25-Pack

PN: 666W

6 x 6 x 6 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$16.20 / BUNDLE
IN STOCK Ship odd-shaped and cylindrical products with confidence using these ECT-32 kraft corrugated cube boxes. Each 8
Boxes - Corrugated

8x8x8 ECT-32 Kraft Corrugated Cube Shipping Boxes 25-Pack

PN: 888

8 x 8 x 8 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$18.14 / BUNDLE
IN STOCK Adjust box height on-demand with our 6x6x6 multi-depth corrugated boxes–no carton sizer required. Scored at multiple depths to fold from 2
Boxes - Corrugated

6x6x6 ECT-32 Kraft Multi-Depth Corrugated Shipping Boxes 25-Pack

PN: MD666

6 x 6 x 6 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$16.04 / BUNDLE
IN STOCK Industrial-grade 8x8x8 double wall corrugated boxes with ECT-48 kraft material deliver maximum stacking strength and impact protection for your shipments. Bundled 15-pack ships flat–cutting storage footprint and freight costs. Ideal for warehouse managers and fulfillment directors managing mid-weight products.
Boxes - Corrugated

8x8x8 ECT-48 Kraft Double Wall Corrugated Boxes 15-Pack

PN: HD888DW

8 x 8 x 8 in ECT-48 Double Wall Corrugated 15 PER BUNDLE
$19.37 / BUNDLE
IN STOCK Military-grade 8x8x8 corrugated shipping boxes built from W5c 250# single wall with water-resistant adhesive (WRA) for maximum equipment protection. Each bundle includes 25 kraft boxes engineered for stacking performance and freight efficiency in demanding warehouse environments. Industry-standard construction meets military specifications for reliable performance.
Boxes - Corrugated

8x8x8 W5c 250# Weather-Resistant Corrugated Boxes 25-Pack

PN: 888W5C

8 x 8 x 8 in W5c - 250# Single Wall Corrugated 25 PER BUNDLE
$93.58 / BUNDLE
IN STOCK Premium ECT-32 kraft corrugated cube boxes sized 6
Boxes - Corrugated

6x6x6 ECT-32 Kraft Corrugated Cube Shipping Box 25-Pack

PN: 666

6 x 6 x 6 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$12.81 / BUNDLE
IN STOCK ECT-32 single-wall white corrugated boxes deliver strong stacking performance and professional shipping appearance. The 8x8x8
Boxes - Corrugated

8x8x8 ECT-32 White | Bundle Corrugated Shipping Boxes 25-Pack

PN: 888W

8 x 8 x 8 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$23.30 / BUNDLE
IN STOCK ECT-48 double wall construction delivers superior stacking strength and impact protection for demanding warehouse operations. These 9x9x9 heavy-duty corrugated boxes ship flat in bundles of 15, maximizing storage efficiency while reducing freight costs. Ideal for high-velocity fulfillment centers requiring reliable, bulk-ready packaging.
Boxes - Corrugated

9x9x9 ECT-48 Heavy Duty Double Wall Corrugated Shipping Boxes 15-Pack

PN: HD999DW

9 x 9 x 9 in ECT-48 Double Wall Corrugated 15 PER BUNDLE
$39.33 / BUNDLE
IN STOCK Premium ECT-44 single wall kraft corrugated boxes deliver 40% greater stacking strength than standard shipping containers. These 8x8x8 heavy-duty cartons protect high-value inventory while maximizing pallet density and freight efficiency. Ships flat in bundles of 25 for easy storage and rapid deployment.
Boxes - Corrugated

8x8x8 ECT-44 Kraft Heavy-Duty Corrugated Shipping Boxes 25-Pack

PN: HD0808

8 x 8 x 8 in ECT-44 Single Wall Corrugated 25 PER BUNDLE
$28.71 / BUNDLE
IN STOCK Engineered for maximum protection and stacking performance, these 9x9x9 heavy-duty corrugated boxes deliver 40% greater strength than standard single wall cartons. Built from ECT-44 kraft material, they're ideal for demanding warehouse and fulfillment operations. Sold flat in convenient bundles of 25 to maximize freight efficiency and storage.
Boxes - Corrugated

9x9x9 ECT-44 Kraft Heavy-Duty Corrugated Shipping Boxes 25-Pack

PN: HD999

9 x 9 x 9 in ECT-44 Single Wall Corrugated 25 PER BUNDLE
$53.30 / BUNDLE
IN STOCK Streamline your warehouse operations with these 8x8x8 multi-depth corrugated boxes featuring pre-scored sides that fold to multiple heights–no carton sizer required. Made from durable ECT-32 kraft corrugated material, this 25-pack bundle cuts inventory complexity and shipping costs by eliminating the need for multiple box sizes.
Boxes - Corrugated

8x8x8 ECT-32 Kraft Multi-Depth Corrugated Shipping Boxes 25-Pack

PN: MD888

8 x 8 x 8 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$23.97 / BUNDLE
IN STOCK 10x10x10 ECT-44 Kraft Corrugated Boxes - 40% Stronger, Bundle of 25
Boxes - Corrugated

10x10x10 ECT-44 Kraft Heavy-Duty Corrugated Shipping Boxes 25-Pack

PN: HD1010

10 x 10 x 10 in ECT-44 Single Wall Corrugated 25 PER BUNDLE
$38.15 / BUNDLE
IN STOCK 10x10x10 W5C Weather-Resistant Corrugated Boxes - 250# Single Wall, Bundle of 25
Boxes - Corrugated

10x10x10 Kraft Corrugated Shipping Boxes 25-Pack

PN: 101010W5C

10 x 10 x 10 in W5c - 250# Single Wall Corrugated 25 PER BUNDLE
$142.70 / BUNDLE
IN STOCK ECT-32 kraft corrugated cube boxes in the popular 11x11x11 size–designed for shipping round, cylindrical, and odd-shaped products with reliable protection. Sold flat and bundled in quantities of 25 for maximum freight efficiency and volume savings for your warehouse operation.
Boxes - Corrugated

11x11x11 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 111111

11 x 11 x 11 in ECT-32 Corrugated 25 PER BUNDLE
$34.36 / BUNDLE
IN STOCK ECT-32 single-wall white corrugated boxes deliver industry-standard strength in a compact 9x9x9 cube format. Sold in bundles of 25, these unprinted cartons feature a crisp white finish that makes applied labels and shipping instructions pop–ideal for e-commerce, retail fulfillment, and warehouse storage. Same proven construction strength as kraft cartons at a competitive cost.
Boxes - Corrugated

9x9x9 ECT-32 White Corrugated Shipping Boxes 25-Pack

PN: 999W

9 x 9 x 9 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$41.87 / BUNDLE
IN STOCK 10x10x10 ECT-32 Kraft Corrugated Cube Boxes - Bundle of 25
Boxes - Corrugated

10x10x10 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 101010

10 x 10 x 10 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$22.09 / BUNDLE
IN STOCK Ship round and cylindrical products confidently with these 9x9x9 ECT-32 kraft corrugated boxes. Perfect cube geometry maximizes pallet efficiency and reduces dimensional weight charges. Order flat in convenient 25-box bundles and save on storage and freight costs.
Boxes - Corrugated

9x9x9 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 999

9 x 9 x 9 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$21.74 / BUNDLE
IN STOCK 10x10x10 Multi-Depth Corrugated Boxes ECT-32 Kraft - 25 Pack
Boxes - Corrugated

10x10x10 ECT-32 Kraft Multi-Depth Corrugated Shipping Boxes 25-Pack

PN: MD101010

10 x 10 x 10 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$29.99 / BUNDLE
IN STOCK Industrial-grade 12x12x12 corrugated boxes rated ECT-44 single wall kraft construction–40% stronger than standard shipping cartons for maximum stacking performance and load protection. Ideal for warehouse fulfillment, e-commerce, and heavy item storage. Sold flat in bundles of 25 for space-efficient inventory management.
Boxes - Corrugated

12x12x12 ECT-44 Kraft Heavy-Duty Corrugated Shipping Boxes 25-Pack

PN: HD1212

12 x 12 x 12 in ECT-44 Single Wall Corrugated 25 PER BUNDLE
$55.81 / BUNDLE
IN STOCK Adjustable 9x9x9 kraft corrugated boxes with pre-scored multi-depth sides eliminate the need for multiple carton sizes. Each bundle of 25 ECT-32 single-wall boxes folds to your exact height requirements–no sizer equipment needed. Cut inventory costs and parcel service fees with right-sized shipping.
Boxes - Corrugated

9x9x9 ECT-32 Kraft Multi-Depth Corrugated Shipping Boxes 25-Pack

PN: MD999

9 x 9 x 9 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$23.13 / BUNDLE
IN STOCK Space-efficient 12x12x12 cube boxes manufactured from sturdy ECT-32 kraft corrugated material. Each bundle contains 25 boxes with 1.0 cubic foot capacity, perfect for shipping cylindrical, round, and irregular items. Maximize your warehouse density and reduce per-unit shipping costs.
Boxes - Corrugated

12x12x12 ECT-32 Kraft Corrugated Cube Shipping Boxes 25-Pack

PN: 121212

12 x 12 x 12 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$31.21 / BUNDLE
IN STOCK 10x10x10 ECT-48 Double Wall Corrugated Boxes, 15-Pack
Boxes - Corrugated

10x10x10 ECT-48 Double Wall Corrugated Boxes 15-Pack

PN: HD101010DW

10 x 10 x 10 in ECT-48 Double Wall Corrugated 15 PER BUNDLE
$27.33 / BUNDLE
IN STOCK Eliminate carton redundancy with pre-scored multi-depth 12x12x12 corrugated boxes that fold to your exact specifications. Strong ECT-32 kraft construction handles demanding warehouse and fulfillment operations while slashing inventory SKUs and parcel shipping expenses. Ships as a convenient 25-box bundle.
Boxes - Corrugated

12x12x12 ECT-32 Kraft Multi-Depth Corrugated Shipping Boxes 25-Pack

PN: MD121212

12 x 12 x 12 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$36.59 / BUNDLE
IN STOCK 10x10x10
Boxes - Corrugated

10x10x10 ECT-32 White Corrugated Shipping Boxes 25-Pack

PN: 101010W

10 x 10 x 10 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$31.17 / BUNDLE
IN STOCK V3c 350# single wall corrugated boxes engineered for maximum durability and weather resistance. Each bundle delivers 20 kraft boxes at 12x12x12
Boxes - Corrugated

12x12x12 V3c 350# Single Wall Corrugated Box 20-Pack

PN: 121212V3C

12 x 12 x 12 in V3c - 350# Single Wall Corrugated 20 PER BUNDLE
$204.90 / BUNDLE
IN STOCK Professional-grade 12x12x12
Boxes - Corrugated

12x12x12 ECT-32 Kraft Corrugated Moving Boxes 25-Pack

PN: 121212DPB

12 x 12 x 12 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$56.09 / BUNDLE
IN STOCK These 13x13x13
Boxes - Corrugated

13x13x13 ECT-44 Kraft Heavy-Duty Corrugated Shipping Boxes 25-Pack

PN: HD131313

13 x 13 x 13 in ECT-44 Single Wall Corrugated 25 PER BUNDLE
$106.52 / BUNDLE
IN STOCK Heavy-duty ECT-48 double wall corrugated construction delivers superior stacking strength and crush resistance for demanding warehouse and fulfillment operations. These kraft 12x12x12 shipping cartons are manufactured to handle high-volume distribution while protecting contents. Bundle of 15 boxes ships flat to maximize storage efficiency and reduce freight costs.
Boxes - Corrugated

12x12x12 ECT-48 Heavy Duty Double Wall Corrugated Shipping Boxes 15-Pack

PN: HD1212DW

12 x 12 x 12 in ECT-48 Double Wall Corrugated 15 PER BUNDLE
$35.77 / BUNDLE
IN STOCK ECT-71 heavy-duty double wall corrugated boxes engineered for maximum protection and stacking performance. These 12x12x12 kraft cartons deliver 140# capacity per parcel standards, reducing freight costs through optimal cube utilization. Bundle of 15 boxes.
Boxes - Corrugated

12x12x12 ECT-71 Heavy-Duty Double Wall Corrugated Shipping Boxes 15-Pack

PN: HD121212HDDW

12 x 12 x 12 in ECT-71 Double Wall Corrugated 15 PER BUNDLE
$131.31 / BUNDLE
IN STOCK ECT-32 white corrugated boxes in the popular 12x12x12 cube size–sold as a 25-pack bundle. Strong single-wall construction handles the same stacking loads as kraft, with a crisp white exterior that showcases your labels and shipping instructions. Ideal for warehouse managers seeking volume savings without compromising durability.
Boxes - Corrugated

12x12x12 ECT-32 White Corrugated Shipping Boxes 25-Pack

PN: 121212W

12 x 12 x 12 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$44.29 / BUNDLE
IN STOCK Ship round and irregularly-shaped products with confidence using these ECT-32 kraft corrugated cube boxes. The 13x13x13
Boxes - Corrugated

13x13x13 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 131313

13 x 13 x 13 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$41.38 / BUNDLE
IN STOCK ECT-44 single wall kraft corrugated boxes deliver 40% greater stacking strength than standard shipping containers–ideal for high-volume fulfillment centers and warehouse operations. Each 14x14x14
Boxes - Corrugated

14x14x14 ECT-44 Heavy-Duty Corrugated Shipping Boxes 25-Pack

PN: HD141414

14 x 14 x 14 in ECT-44 Single Wall Corrugated 25 PER BUNDLE
$68.63 / BUNDLE
IN STOCK Warehouse-ready 14x14x14 white corrugated boxes deliver ECT-32 crush strength with professional presentation. Each bundle contains 25 unprinted cartons–ideal for applying custom labels, shipping instructions, and branding. Same structural performance as kraft, with visual impact that makes your shipments stand out.
Boxes - Corrugated

14x14x14 ECT-32 White Corrugated Shipping Boxes 25-Pack

PN: 141414W

14 x 14 x 14 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$69.46 / BUNDLE
IN STOCK Fold-to-fit multi-depth corrugated boxes eliminate inventory bloat and reduce parcel shipping costs. Pre-scored sides adjust from 8
Boxes - Corrugated

14x14x14 ECT-32 Kraft Multi-Depth Corrugated Shipping Boxes 25-Pack

PN: MD141414

14 x 14 x 14 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$59.89 / BUNDLE
IN STOCK Ship round, cylindrical, and odd-shaped products efficiently with our 15x15x15 cube corrugated boxes. ECT-32 kraft construction delivers reliable protection in a space-maximizing cube format. Sold in bundles of 25 for warehouse-scale operations.
Boxes - Corrugated

15x15x15 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 151515

15 x 15 x 15 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$54.36 / BUNDLE
IN STOCK Reduce carton inventory and shipping expenses with one versatile 13x13x13 corrugated box that folds to multiple heights. Pre-scored sides let you adjust sizes on demand–no carton sizer required. Made from durable ECT-32 kraft corrugated. Sold in bundles of 25.
Boxes - Corrugated

13x13x13 ECT-32 Kraft Multi-Depth Corrugated Shipping Boxes 25-Pack

PN: MD131313

13 x 13 x 13 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$46.58 / BUNDLE
IN STOCK Heavy-duty ECT-48 double wall corrugated boxes deliver maximum protection for mid-weight shipments and storage. Each 13x13x13 kraft carton offers superior stacking strength and crush resistance. Bundle of 15 ships flat to maximize your warehouse efficiency and minimize storage footprint.
Boxes - Corrugated

13x13x13 ECT-48 Heavy Duty Double Wall Corrugated Shipping Boxes 15-Pack

PN: HD1313DW

13 x 13 x 13 in ECT-48 Double Wall Corrugated 15 PER BUNDLE
$47.07 / BUNDLE

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 ->