Cube Boxes (Equal-Sided)

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
IN STOCK Industrial-grade 12x12x12 triple wall corrugated boxes with ECT-90 rating deliver maximum stacking strength and crush resistance for heavy shipments. Ship flat to reduce freight costs and warehouse footprint. Sold as a bundle of 5 units–the trusted choice for fulfillment centers and high-volume distributors.
Boxes - Corrugated

12x12x12 ECT-90 Triple Wall Corrugated Boxes Heavy-Duty 5-Pack

PN: HD121212TW

12 x 12 x 12 in TW/ECT-90 Corrugated 5 PER BUNDLE
$159.89 / BUNDLE
IN STOCK Cut inventory complexity and freight costs with these 15x15x15 multi-depth corrugated boxes. Pre-scored sides fold to fit 6 different heights–no carton sizer needed. ECT-32 kraft corrugated provides reliable stacking strength while consolidating multiple box sizes into one SKU.
Boxes - Corrugated

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

PN: MD151515

15 x 15 x 15 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$65.78 / BUNDLE
IN STOCK Ship round and odd-shaped products with confidence using our 16x16x16 ECT-32 kraft corrugated boxes. These versatile cube boxes provide excellent stacking strength and dimensional stability for warehouse-to-customer fulfillment. Bundle of 25 arrives flat for efficient storage and quick assembly.
Boxes - Corrugated

16x16x16 ECT-32 Kraft Cube Corrugated Shipping Boxes 25-Pack

PN: 161616

16 x 16 x 16 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$61.02 / BUNDLE
IN STOCK Heavy-duty double wall corrugated boxes built for high-performance warehousing. These 14x14x14 ECT-71 kraft cartons deliver maximum stacking strength while shipping and storing flat to reduce storage overhead. Bundle of 15 boxes per unit.
Boxes - Corrugated

14x14x14 ECT-71 Heavy-Duty Double Wall Corrugated Shipping Boxes 15-Pack

PN: HD141414HDDW

14 x 14 x 14 in ECT-71 Double Wall Corrugated 15 PER BUNDLE
$131.22 / BUNDLE
IN STOCK Industrial-grade 14x14x14
Boxes - Corrugated

14x14x14 ECT-90 Triple Wall Corrugated Boxes 5-Pack

PN: HD141414TW

14 x 14 x 14 in TW/ECT-90 Corrugated 5 PER BUNDLE
$115.47 / BUNDLE
IN STOCK Heavy-duty 15x15x15 corrugated boxes engineered for maximum stacking strength and freight efficiency. ECT-44 single wall kraft construction delivers 40% greater protection than standard shipping cartons. Sold flat in convenient bundles of 25.
Boxes - Corrugated

15x15x15 ECT-44 Kraft Heavy-Duty Corrugated Shipping Boxes 25-Pack

PN: HD151515

15 x 15 x 15 in ECT-44 Single Wall Corrugated 25 PER BUNDLE
$147.57 / BUNDLE
IN STOCK Ship round and irregular items with confidence using these ECT-32 kraft corrugated cube boxes. Each bundle contains 25 flat-packed 14x14x14 cartons, maximizing warehouse storage and freight efficiency. Ideal for fulfillment centers and warehouse managers managing diverse SKU profiles.
Boxes - Corrugated

14x14x14 ECT-32 Kraft Corrugated Cube Shipping Boxes 25-Pack

PN: 141414

14 x 14 x 14 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$48.75 / BUNDLE
IN STOCK Premium white corrugated shipping boxes with ECT-32 single-wall construction deliver professional appearance and reliable protection. These 16x16x16 cube boxes feature bright white kraft exterior perfect for custom labels, branded tape, and shipping instructions that stand out. Sold as a convenient 25-box bundle for warehouse managers and fulfillment operations.
Boxes - Corrugated

16x16x16 ECT-32 White Corrugated Shipping Boxes 25-Pack

PN: 161616W

16 x 16 x 16 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$88.18 / BUNDLE
IN STOCK Industrial-grade ECT-48 double wall corrugated boxes designed for maximum protection and stacking strength. These 17x17x17
Boxes - Corrugated

17x17x17 ECT-48 Heavy Duty Double Wall Corrugated Shipping Boxes 10-Pack

PN: HD171717DW

17 x 17 x 17 in ECT-48 Double Wall Corrugated 10 PER BUNDLE
$88.57 / BUNDLE
IN STOCK Scored multi-depth corrugated boxes that fold to three different heights–no carton sizer needed. Engineered with ECT-32 kraft single-wall construction for strength and cost efficiency. Consolidate inventory, right-size every shipment, and lower parcel service fees with one versatile box.
Boxes - Corrugated

17x17x17 ECT-32 Multi-Depth Kraft Corrugated Shipping Boxes 25-Pack

PN: MD171717

17 x 17 x 17 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$77.13 / BUNDLE
IN STOCK ECT-48 double wall construction delivers superior crushing strength and stacking performance for demanding fulfillment operations. These 15x15x15 kraft corrugated boxes ship flat in bundles of 15, reducing warehouse footprint and freight costs by up to 40% versus assembled cartons. Ideal for mid-weight products, e-commerce fulfillment, and high-volume distribution.
Boxes - Corrugated

15x15x15 ECT-48 Double Wall Corrugated Boxes 15-Pack

PN: HD1515DW

15 x 15 x 15 in ECT-48 Double Wall Corrugated 15 PER BUNDLE
$65.16 / BUNDLE
IN STOCK ECT-32 single-wall corrugated boxes in clean white finish–5.3 cubic feet of dependable cube-shaped shipping capacity per box. Bundle of 20 offers maximum volume efficiency for warehouse fulfillment. Crisp white surface accepts printed labels and special instructions without compromise.
Boxes - Corrugated

18x18x18 ECT-32 White Corrugated Shipping Box Single Wall 20-Pack

PN: 181818W

18 x 18 x 18 in ECT-32 Single Wall Corrugated 20 PER BUNDLE
$96.67 / BUNDLE
IN STOCK Professional-grade 16x16x16 triple wall corrugated boxes rated ECT-90 for maximum stacking strength and freight efficiency. These heavy-duty kraft cartons collapse flat for compact warehouse storage and ship in bundles of 5. Trusted by fulfillment centers nationwide for demanding applications.
Boxes - Corrugated

16x16x16 ECT-90 Triple Wall Corrugated Boxes 5-Pack

PN: HD161616TW

16 x 16 x 16 in TW/ECT-90 Corrugated 5 PER BUNDLE
$189.34 / BUNDLE
IN STOCK 40% stronger than standard shipping containers, these ECT-44 single wall kraft corrugated boxes deliver superior stacking performance and freight efficiency for your warehouse. 16x16x16 dimensions fit standard pallet configurations and maximize cube utilization. Sold flat in bundles of 25 for cost-effective bulk purchasing and easy storage.
Boxes - Corrugated

16x16x16 ECT-44 Heavy-Duty Corrugated Shipping Boxes 25-Pack

PN: HD1616

16 x 16 x 16 in ECT-44 Single Wall Corrugated 25 PER BUNDLE
$97.76 / BUNDLE
IN STOCK Ship round and cylindrical items with confidence using these 18x18x18
Boxes - Corrugated

18x18x18 ECT-32 Kraft Corrugated Shipping Boxes 20-Pack

PN: 181818

18 x 18 x 18 in ECT-32 Single Wall Corrugated 20 PER BUNDLE
$59.76 / BUNDLE
IN STOCK Eliminate carton sizer expenses and reduce SKU inventory with our 16x16x16 multi-depth corrugated boxes. Pre-scored kraft sides fold to multiple heights for perfect fit optimization. Backed by ECT-32 single-wall durability, sold in bundles of 10.
Boxes - Corrugated

16x16x16 ECT-32 Kraft Multi-Depth Corrugated Shipping Boxes 10-Pack

PN: MD161616

16 x 16 x 16 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$27.89 / BUNDLE
IN STOCK ECT-48 heavy-duty double wall corrugated boxes deliver superior protection and stacking strength for high-volume industrial shipping. These 16x16x16
Boxes - Corrugated

16x16x16 ECT-48 Heavy Duty Double Wall Corrugated Shipping Boxes 15-Pack

PN: HD161616DW

16 x 16 x 16 in ECT-48 Double Wall Corrugated 15 PER BUNDLE
$67.96 / BUNDLE
IN STOCK Heavy-duty ECT-44 single wall kraft corrugated boxes engineered for maximum stacking performance and impact protection. These 18x18x18
Boxes - Corrugated

18x18x18 ECT-44 Kraft Heavy-Duty Corrugated Shipping Boxes 20-Pack

PN: HD1818

18 x 18 x 18 in ECT-44 Single Wall Corrugated 20 PER BUNDLE
$92.73 / BUNDLE
IN STOCK Heavy-duty ECT-44 single wall corrugated boxes built 40% stronger than standard shipping containers for superior stacking performance and load-bearing capacity. These 20x20x20
Boxes - Corrugated

20x20x20 ECT-44 Kraft Heavy-Duty Corrugated Shipping Boxes 10-Pack

PN: HD202020

20 x 20 x 20 in ECT-44 Single Wall Corrugated 10 PER BUNDLE
$60.58 / BUNDLE
IN STOCK Protect high-value shipments with ECT-71 heavy-duty double wall construction rated for 140# stacking capacity. These 16x16x16 kraft corrugated boxes deliver superior crush resistance and freight efficiency in a convenient bundle of 15 cartons.
Boxes - Corrugated

16x16x16 ECT-71 Heavy-Duty Double Wall Corrugated Shipping Boxes 15-Pack

PN: HD161616HDDW

16 x 16 x 16 in ECT-71 Double Wall Corrugated 15 PER BUNDLE
$228.20 / BUNDLE
IN STOCK Reduce carton inventory and cut shipping costs with these 20x20x20 multi-depth corrugated boxes. Pre-scored kraft cardboard adjusts to multiple heights–no carton sizer needed. ECT-32 single wall construction delivers strength and reliability. Sold as a bundle of 10.
Boxes - Corrugated

20x20x20 ECT-32 Kraft Multi-Depth Corrugated Shipping Boxes 10-Pack

PN: MD202020

20 x 20 x 20 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$47.66 / BUNDLE
IN STOCK Heavy-duty ECT-71 double wall corrugated boxes designed for maximum stacking performance and freight efficiency in high-volume warehouse environments. 18x18x18
Boxes - Corrugated

18x18x18 ECT-71 Heavy-Duty Double Wall Corrugated Shipping Boxes 10-Pack

PN: HD181818HDDW

18 x 18 x 18 in ECT-71 Double Wall Corrugated 10 PER BUNDLE
$160.72 / BUNDLE
IN STOCK ECT-90 triple wall corrugated construction delivers industrial-grade protection for high-volume shipping and storage. These 18
Boxes - Corrugated

18x18x18 ECT-90 Triple Wall Corrugated Boxes 5-Pack

PN: HD181818TW

18 x 18 x 18 in ECT-90 Triple Wall Corrugated 5 PER BUNDLE
$187.43 / BUNDLE
IN STOCK Professional-grade 18x18x18 corrugated shipping boxes built from ECT-48 double wall kraft material for maximum durability and stacking performance. Integrated hand holes enable efficient manual handling and reduce fulfillment labor. Sold as a bundle of 10 boxes–ideal for warehouse managers requiring heavy-duty protection without sacrificing operational speed.
Boxes - Corrugated

18x18x18 ECT-48 Double Wall Corrugated Shipping Boxes w/ Hand Holes 10-Pack

PN: HD181818DWHH

18 x 18 x 18 in ECT-48 Double Wall Corrugated 10 PER BUNDLE
$84.78 / BUNDLE
IN STOCK ECT-32 kraft corrugated cube boxes sized 19
Boxes - Corrugated

19x19x19 ECT-32 Kraft Corrugated Shipping Boxes 10-Pack

PN: 191919

19 x 19 x 19 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$40.72 / BUNDLE
IN STOCK Versatile 17x17x17 cube boxes manufactured from durable ECT-32 single-wall kraft corrugated material. Engineered to handle round, cylindrical, and irregularly shaped products with excellent stacking performance. Sold as convenient 25-box bundles to maximize your packaging efficiency and reduce freight costs.
Boxes - Corrugated

17x17x17 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 171717

17 x 17 x 17 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$79.89 / BUNDLE
IN STOCK Eliminate carton sizer equipment and reduce inventory complexity with these pre-scored ECT-32 kraft corrugated boxes. One SKU adjusts to multiple heights–fold to 18
Boxes - Corrugated

18x18x18 ECT-32 Multi-Depth Kraft Corrugated Shipping Boxes 20-Pack

PN: MD181818

18 x 18 x 18 in ECT-32 Single Wall Corrugated 20 PER BUNDLE
$67.59 / BUNDLE
IN STOCK ECT-32 kraft corrugated cube boxes in 20x20x20 dimensions–the industry-standard size for shipping round and cylindrical products with maximum stacking strength. Sold flat in convenient bundles of 10 for efficient warehouse storage and fast fulfillment operations.
Boxes - Corrugated

20x20x20 ECT-32 Kraft Corrugated Cube Shipping Box 10-Pack

PN: 202020

20 x 20 x 20 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$38.72 / BUNDLE
IN STOCK Heavy-duty ECT-48 double wall corrugated boxes built to protect high-value freight and maximize stacking efficiency in your warehouse. Each bundle includes 10 flat-shipped 18x18x18
Boxes - Corrugated

18x18x18 ECT-48 Kraft Heavy Duty Double Wall Corrugated Shipping Boxes 10-Pack

PN: HD1818DW

18 x 18 x 18 in ECT-48 Double Wall Corrugated 10 PER BUNDLE
$54.80 / BUNDLE
IN STOCK Engineered for high-performance storage and shipping, these 18x18x18 corrugated boxes feature V3c 350# single-wall construction with water-resistant adhesive (WRA) for superior equipment protection. Military-specification rated, sold in bundles of 10 kraft boxes to maximize freight efficiency and reduce per-unit costs.
Boxes - Corrugated

18x18x18 V3c 350# Weather-Resistant Corrugated Boxes 10-Pack

PN: 181818V3C

18 x 18 x 18 in V3c - 350# Single Wall Corrugated 10 PER BUNDLE
$203.58 / BUNDLE
IN STOCK Heavy-duty ECT-44 single wall kraft corrugated boxes designed for maximum stacking strength and protection. At 22x22x22 inches, these 40% stronger cartons optimize freight efficiency while reducing damage claims. Sold flat in convenient bundles of 10.
Boxes - Corrugated

22x22x22 ECT-44 Kraft Heavy-Duty Corrugated Shipping Boxes 10-Pack

PN: HD222222

22 x 22 x 22 in ECT-44 Single Wall Corrugated 10 PER BUNDLE
$69.09 / BUNDLE
IN STOCK Durable ECT-32 white corrugated cube boxes sized 20x20x20
Boxes - Corrugated

20x20x20 ECT-32 White Corrugated Shipping Boxes 10-Pack

PN: 202020W

20 x 20 x 20 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$64.09 / BUNDLE
IN STOCK ECT-71 heavy-duty double wall corrugated boxes engineered for maximum protection and stacking performance. These 20x20x20
Boxes - Corrugated

20x20x20 ECT-71 Double Wall Boxes 10-Pack

PN: HD202020HDDW

20 x 20 x 20 in ECT-71 Double Wall Corrugated 10 PER BUNDLE
$218.32 / BUNDLE
IN STOCK ECT-48 double wall corrugated boxes engineered for warehouse efficiency and maximum protection. Integrated hand holes eliminate manual handling strain while kraft construction delivers industry-leading stacking strength and crush resistance. Bundle of 10 boxes optimizes freight efficiency and reduces per-unit costs.
Boxes - Corrugated

20x20x20 ECT-48 Double Wall Corrugated Shipping Boxes with Hand Holes 10-Pack

PN: HD202020DWHH

20 x 20 x 20 in ECT-48 Double Wall Corrugated 10 PER BUNDLE
$103.72 / BUNDLE
IN STOCK ECT-32 single wall kraft corrugated boxes sized 23
Boxes - Corrugated

23x23x23 ECT-32 Kraft Corrugated Shipping Boxes 10-Pack

PN: 232323

23 x 23 x 23 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$92.53 / BUNDLE
IN STOCK Heavy-duty ECT-44 corrugated cartons with pre-scored multi-depth design eliminate wasted space and reduce DIM weight penalties on UPS/FedEx shipments. Cut to multiple sizes without additional inventory. 40% stronger than standard shipping boxes–sold as bundle of 10 kraft cartons.
Boxes - Corrugated

20x20x20 ECT-44 Heavy-Duty Multi-Depth Corrugated Shipping Boxes 10-Pack

PN: MDHD202020

20 x 20 x 20 in ECT-44 Single Wall Corrugated 10 PER BUNDLE
$60.90 / BUNDLE
IN STOCK Heavy-duty 20x20x20 double wall corrugated boxes built from ECT-48 kraft material deliver superior stacking strength and protection for large shipments, monitor packaging, and demanding freight environments. Ships flat in bundles of 10 to maximize storage efficiency and reduce your packaging footprint. Ideal for warehouse managers seeking reliable, cost-effective bulk shipping cartons.
Boxes - Corrugated

20x20x20 ECT-48 Double Wall Corrugated Boxes 10-Pack

PN: HD202020DW

20 x 20 x 20 in ECT-48 Double Wall Corrugated 10 PER BUNDLE
$65.22 / BUNDLE
IN STOCK 21x21x21 cube boxes manufactured from ECT-32 single-wall kraft corrugated–the ideal solution for shipping round, cylindrical, and irregularly shaped products. Sold in convenient bundles of 15 boxes, flat-packed for space-efficient storage and quick assembly. Reliable crush resistance and proven stacking performance for high-volume fulfillment operations.
Boxes - Corrugated

21x21x21 ECT-32 Kraft Corrugated Cube Shipping Boxes 15-Pack

PN: 212121

21 x 21 x 21 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$105.95 / BUNDLE
IN STOCK Premium 24x24x24 white corrugated cube boxes with ECT-32 strength–ideal for branded shipments and custom labeling. This 10-pack bundle delivers heavy-duty stacking performance with a pristine white finish that makes labels and shipping instructions stand out. Same durability as kraft cartons at a fraction of the cost.
Boxes - Corrugated

24x24x24 ECT-32 White Corrugated Shipping Boxes 10-Pack

PN: 242424W

24 x 24 x 24 in ECT-32 Corrugated 10 PER BUNDLE
$91.69 / BUNDLE
IN STOCK Eliminate carton sizer complexity with pre-scored multi-depth corrugated boxes that fold to five different heights–perfect fit every time. ECT-32 kraft construction delivers durability while reducing your carton inventory and per-unit shipping costs. Sold as a bundle of 10.
Boxes - Corrugated

22x22x22 ECT-32 Kraft Multi-Depth Corrugated Shipping Boxes 10-Pack

PN: MD222222

22 x 22 x 22 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$52.04 / BUNDLE
IN STOCK Pre-scored multi-depth corrugated boxes that fold to your exact specifications without a carton sizer–eliminating one SKU and cutting freight costs. Built from ECT-32 kraft for strength and durability. Bundle of 10 boxes reduces your per-unit price while standardizing your packaging inventory.
Boxes - Corrugated

24x24x24 ECT-32 Kraft Adjustable Multi-Depth Corrugated Shipping Boxes 10-Pack

PN: MD242424

24 x 24 x 24 in ECT-32 Corrugated 10 PER BUNDLE
$62.50 / BUNDLE
IN STOCK Ship odd-shaped and cylindrical products safely with these 24x24x24 cube boxes engineered from ECT-32 kraft corrugated material. Each box offers 8 cubic feet of capacity–a standard footprint that maximizes pallet efficiency and freight savings. Sold in convenient bundles of 10 for streamlined inventory management.
Boxes - Corrugated

24x24x24 ECT-32 Kraft Corrugated Cube Shipping Box 10-Pack

PN: 242424

24 x 24 x 24 in ECT-32 Corrugated 10 PER BUNDLE
$56.67 / 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
IN STOCK Ship round and irregularly shaped products with confidence using these ECT-32 kraft corrugated cube boxes. Each 22x22x22
Boxes - Corrugated

22x22x22 ECT-32 Kraft Corrugated Cube Shipping Boxes 10-Pack

PN: 222222

22 x 22 x 22 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$46.29 / BUNDLE
IN STOCK Heavy-duty ECT-48 double wall corrugated boxes engineered for demanding logistics. Perfect for shipping large electronics, equipment, and fragile items with superior protection and stackability. Ships flat to maximize warehouse efficiency–bundle of 10 cartons.
Boxes - Corrugated

24x24x24 ECT-48 Double Wall Corrugated Boxes 10-Pack

PN: HD2424DW

24 x 24 x 24 in ECT-48 Double Wall Corrugated 10 PER BUNDLE
$102.89 / BUNDLE
IN STOCK ECT-44 heavy-duty multi-depth kraft corrugated boxes in 24x24x24 dimensions eliminate empty space and reduce dimensional weight surcharges. Pre-scored sides let you adjust box size without inventory clutter. 40% stronger than standard shipping cartons–built for warehouse efficiency and maximum stacking performance.
Boxes - Corrugated

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

PN: MDHD242424

24 x 24 x 24 in ECT-44 Single Wall Corrugated 10 PER BUNDLE
$87.42 / 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 ->