Shipping Boxes

Overview
Corrugated shipping boxes in ECT-32 and heavy-duty grades — cubes, long boxes, multi-depth, and master cartons. Sold in bundles for ecommerce and warehouse shipping.

1360 Results

showing shipping boxes products

IN STOCK Pre-scored multi-depth corrugated boxes that fold to your exact size–no carton sizer required. These 20x16x14 ECT-32 kraft boxes eliminate inventory bloat by replacing 3-5 single-depth cartons with one adjustable solution. Bundle of 20 boxes ships ready to use.
Boxes - Corrugated

20x16x14 Multi-Depth Corrugated Boxes ECT-32 Kraft - Bundle of 20

PN: MD201614

20 x 16 x 14 in ECT-32 Single Wall Corrugated 20 PER BUNDLE
$50.97 / BUNDLE
IN STOCK ECT-32 single wall kraft corrugated boxes engineered for warehouses and fulfillment centers handling mid-weight products. These 20
Boxes - Corrugated

20x16x14 Shipping Boxes — ECT-32 Kraft Corrugated, 20-Pack

PN: 201614

20 x 16 x 14 in ECT-32 Single Wall Corrugated 20 PER BUNDLE
$48.65 / BUNDLE
IN STOCK Industrial-strength ECT-32 kraft corrugated boxes sized 20
Boxes - Corrugated

20x16x12" ECT-32 Kraft Corrugated Boxes - Bundle of 25

PN: 201612

20 x 16 x 12 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$62.30 / BUNDLE
IN STOCK Heavy-duty ECT-32 kraft corrugated boxes sized 20
Boxes - Corrugated

20x16x10 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 201610

20 x 16 x 10 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$58.02 / BUNDLE
IN STOCK These 20x16x4 shallow-depth corrugated cartons deliver reliable ECT-32 single-wall protection for lightweight to medium-weight items. Ships flat in bundles of 25 to maximize your warehouse space and cut freight costs. Ideal for apparel, books, artwork, and other thin products.
Boxes - Corrugated

20 x 16 x 4 ECT-32 Kraft Corrugated Shipping Boxes, Pack of 25

PN: 20164

20 x 16 x 4 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$46.58 / BUNDLE
IN STOCK Engineered for high-volume fulfillment operations, these 18x18x8 corrugated boxes deliver ECT-32 single-wall durability in an efficient mid-size format. Perfect for medium-weight products, seasonal storage, and freight optimization. Kraft construction is 100% recyclable–reduce waste while shipping smarter.
Boxes - Corrugated

18x18x8 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 18188

18 x 18 x 8 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$57.64 / BUNDLE
IN STOCK Reduce carton inventory and shipping costs with these pre-scored, adjustable 18x18x6 multi-depth corrugated boxes. Fold to 6, 5, 4, 3, or 2-inch heights without a carton sizer. Made from durable ECT-32 kraft corrugated. Sold as a bundle of 20.
Boxes - Corrugated

18x18x6" Multi-Depth Corrugated Boxes ECT-32 Kraft - Adjustable (20-Pack)

PN: MD18186

18 x 18 x 6 in ECT-32 Corrugated 20 PER BUNDLE
$43.82 / BUNDLE
IN STOCK Ship smarter with these 18x18x6 shallow-depth corrugated boxes made from ECT-32 kraft material. Bundle of 20 ships flat to save on storage and freight costs. Ideal for electronics, PC components, and compact products that don't need deep cartons.
Boxes - Corrugated

18x18x6 Shipping Boxes — ECT-32 Kraft Corrugated, 20-Pack

PN: 18186

18 x 18 x 6 in ECT-32 Corrugated 20 PER BUNDLE
$38.46 / BUNDLE
IN STOCK ECT-32 kraft corrugated shipping boxes engineered for shallow-depth products that demand reliable protection without excess material waste. These 18x18x5 cartons ship flat to maximize storage and freight efficiency–25 boxes per bundle. Ideal for apparel, books, picture frames, artwork, and mirrors.
Boxes - Corrugated

18x18x5 Shipping Boxes - ECT-32 Kraft Corrugated, 25-Pack

PN: 18185

18 x 18 x 5 in ECT-32 Corrugated 25 PER BUNDLE
$81.41 / BUNDLE
IN STOCK Ship smarter with these 18x18x4 shallow depth corrugated boxes manufactured from durable ECT-32 kraft material. Flat design ships compressed to cut storage and freight costs–perfect for apparel, books, artwork, and picture frames. Bundle of 25 boxes.
Boxes - Corrugated

18x18x4 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 18184

18 x 18 x 4 in ECT-32 Corrugated 25 PER BUNDLE
$49.00 / BUNDLE
IN STOCK Protect high-value shipments with ECT-48 kraft double wall corrugated boxes engineered for maximum stacking performance and freight efficiency. These 20x16x16 heavy-duty cartons deliver superior puncture and crush resistance. Order in bundles of 10–ships flat to maximize your warehouse space and reduce logistics costs.
Boxes - Corrugated

20x16x16 ECT-48 Double Wall Corrugated Boxes - Heavy Duty Shipping, Bundle of 10

PN: HD201616DW

20 x 16 x 16 in ECT-48 Double Wall Corrugated 10 PER BUNDLE
$46.86 / BUNDLE
IN STOCK ECT-48 double wall corrugated shipping boxes designed for warehouse professionals who demand maximum protection and freight efficiency. These 20
Boxes - Corrugated

20x16x12 Double Wall Corrugated Boxes ECT-48 Kraft - 15 Pack Bundle

PN: HD201612DW

20 x 16 x 12 in D.W./ECT-48 Corrugated 15 PER BUNDLE
$98.85 / BUNDLE
IN STOCK Heavy-duty ECT-48 double wall corrugated boxes built for warehouse managers and fulfillment directors who need reliable, stackable shipping protection. These 20
Boxes - Corrugated

20x16x10 Double Wall Corrugated Boxes ECT-48 - Bundle of 15

PN: HD201610DW

20 x 16 x 10 in D.W./ECT-48 Corrugated 15 PER BUNDLE
$100.29 / BUNDLE
IN STOCK Industrial-grade 20x16x8 corrugated shipping boxes built from ECT-32 kraft material for dependable protection and stackability. Pack of 25 boxes delivers volume savings ideal for warehouse managers and fulfillment operations. Recyclable kraft construction supports sustainable packaging goals.
Boxes - Corrugated

20x16x8 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 20168

20 x 16 x 8 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$56.17 / BUNDLE
IN STOCK Optimize your shipping costs with these 20x16x6 ECT-32 kraft corrugated boxes–engineered for shallow products like apparel, books, frames, and artwork. Ships flat in bundles of 25, maximizing your warehouse storage and reducing freight expenses. Reliable single-wall construction rated for mid-weight items.
Boxes - Corrugated

20x16x6 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 20166

20 x 16 x 6 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$49.00 / 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 Heavy-Duty Kraft Corrugated Boxes - Bundle of 20

PN: HD1818

18 x 18 x 18 in ECT-44 Single Wall Corrugated 20 PER BUNDLE
$82.04 / BUNDLE
IN STOCK Ship round and cylindrical items with confidence using these 18x18x18
Boxes - Corrugated

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

PN: 181818

18 x 18 x 18 in ECT-32 Single Wall Corrugated 20 PER BUNDLE
$52.86 / BUNDLE
IN STOCK Industrial-grade 18x18x8 double wall corrugated boxes with ECT-48 kraft construction deliver maximum stacking strength and damage protection for high-volume shipping operations. Each bundle of 15 cartons ships flat to minimize storage footprint and reduce freight costs. Built for warehouse managers who demand reliable, heavy-duty packaging performance.
Boxes - Corrugated

18x18x8 ECT-48 Double Wall Corrugated Boxes - Heavy Duty Kraft, 15-Pack

PN: HD18188DW

18 x 18 x 8 in ECT-48 Double Wall Corrugated 15 PER BUNDLE
$57.25 / BUNDLE
IN STOCK Heavy-duty ECT-48 double wall kraft corrugated boxes designed for maximum stacking strength and freight protection. 18
Boxes - Corrugated

18x18x6 ECT-48 Double Wall Kraft Boxes - Heavy-Duty Shipping (Bundle of 15)

PN: HD18186DW

18 x 18 x 6 in ECT-48 Double Wall Corrugated 15 PER BUNDLE
$71.62 / BUNDLE
IN STOCK ECT-48 double wall corrugated boxes engineered for maximum protection and stacking performance. These 20
Boxes - Corrugated

20x16x14 ECT-48 Double Wall Shipping Boxes - Heavy Duty, Bundle of 15

PN: HD201614DW

20 x 16 x 14 in ECT-48 Double Wall Corrugated 15 PER BUNDLE
$66.39 / 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 - Bundle of 10

PN: 181818V3C

18 x 18 x 18 in V3c - 350# Single Wall Corrugated 10 PER BUNDLE
$180.09 / BUNDLE
IN STOCK Industrial-grade ECT-48 double wall kraft corrugated boxes designed for demanding warehouse operations. 18
Boxes - Corrugated

18x18x16 ECT-48 Double Wall Kraft Boxes - Bundle of 10

PN: HD181816DW

18 x 18 x 16 in ECT-48 Double Wall Corrugated 10 PER BUNDLE
$64.35 / 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 Boxes (Bundle of 10)

PN: HD181818HDDW

18 x 18 x 18 in ECT-71 Double Wall Corrugated 10 PER BUNDLE
$142.18 / 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 Double Wall Corrugated Boxes - Heavy Duty Kraft, Bundle of 10

PN: HD1818DW

18 x 18 x 18 in ECT-48 Double Wall Corrugated 10 PER BUNDLE
$48.49 / 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 - Heavy-Duty Shipping, Bundle of 5

PN: HD181818TW

18 x 18 x 18 in ECT-90 Triple Wall Corrugated 5 PER BUNDLE
$165.80 / BUNDLE
IN STOCK Industrial-grade 20x18x18
Boxes - Corrugated

20x18x18" ECT-32 Kraft Corrugated Boxes - Bulk Pack of 15

PN: 201818

20 x 18 x 18 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$49.60 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes sized 20
Boxes - Corrugated

20x18x16 Shipping Boxes — ECT-32 Kraft Corrugated, 10-Pack

PN: 201816

20 x 18 x 16 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$31.61 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes sized 20
Boxes - Corrugated

20x18x14" ECT-32 Kraft Corrugated Boxes - Bundle of 10

PN: 201814

20 x 18 x 14 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$30.30 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes designed for warehouse efficiency and reliable mid-weight shipments. 20x18x12 dimensions provide optimal stacking performance and freight versatility. Sold as a convenient bundle of 10 to streamline your bulk ordering.
Boxes - Corrugated

20x18x12 Shipping Boxes — ECT-32 Kraft Corrugated, 10-Pack

PN: 201812

20 x 18 x 12 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$28.59 / BUNDLE
IN STOCK ECT-32 kraft corrugated shipping boxes in 20x18x10 dimensions deliver reliable standard strength performance for mid-weight products and general fulfillment. Each bundle of 10 boxes provides tested stacking durability and cost-effective inventory management. Fully recyclable kraft material supports sustainable warehouse operations.
Boxes - Corrugated

20x18x10 Shipping Boxes — ECT-32 Kraft Corrugated, 10-Pack

PN: 201810

20 x 18 x 10 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$26.02 / BUNDLE
IN STOCK Dependable ECT-32 kraft corrugated boxes sized 20
Boxes - Corrugated

20x18x8 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 20188

20 x 18 x 8 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$62.24 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes sized 20
Boxes - Corrugated

20x18x6 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack

PN: 20186

20 x 18 x 6 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$55.62 / BUNDLE
IN STOCK These 20x18x4
Boxes - Corrugated

20x18x4" ECT-32 Kraft Corrugated Boxes - Shallow Depth Shipping, Bundle of 25

PN: 20184

20 x 18 x 4 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$69.37 / BUNDLE
IN STOCK ECT-32 kraft corrugated cube boxes sized 19
Boxes - Corrugated

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

PN: 191919

19 x 19 x 19 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$36.02 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes engineered for reliable performance in high-volume fulfillment operations. These 20x18x20 shipping cartons deliver consistent stacking strength and freight efficiency. Sold as a bundle of 10 recyclable cardboard boxes.
Boxes - Corrugated

20x18x20 Shipping Boxes — ECT-32 Kraft Corrugated, 10-Pack

PN: 201820

20 x 18 x 20 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$43.67 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes in 18x18x20
Boxes - Corrugated

18x18x20 Shipping Boxes — ECT-32 Kraft Corrugated, 15-Pack

PN: 181820

18 x 18 x 20 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$49.68 / BUNDLE
IN STOCK Protect high-value shipments with ECT-48 double wall corrugated construction rated for maximum stacking performance. These 20x20x10 kraft boxes deliver industrial-grade durability for warehouse, fulfillment, and logistics operations. Ships flat in bundles of 10 to maximize storage efficiency and reduce freight costs.
Boxes - Corrugated

20x20x10 ECT-48 Double Wall Corrugated Boxes - Heavy-Duty Shipping, Bundle of 10

PN: HD202010DW

20 x 20 x 10 in ECT-48 Double Wall Corrugated 10 PER BUNDLE
$64.42 / BUNDLE
IN STOCK ECT-32 single-wall kraft corrugated boxes sized 20
Boxes - Corrugated

20x18x22 Shipping Boxes — ECT-32 Kraft Corrugated, 10-Pack

PN: 201822

20 x 18 x 22 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$40.71 / BUNDLE
IN STOCK ECT-32 single wall corrugated boxes deliver reliable strength for medium-weight shipping at an economical price point. These 18
Boxes - Corrugated

18x18x24 Shipping Boxes — ECT-32 Kraft Corrugated, 15-Pack

PN: 181824

18 x 18 x 24 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$47.84 / BUNDLE
IN STOCK Protect high-value shipments with ECT-48 double wall kraft corrugated boxes designed for superior stacking performance and freight stability. These 18x18x24 heavy-duty cartons deliver maximum cushioning and compression resistance. Bundle of 10 ships flat to maximize your warehouse space and reduce logistics costs.
Boxes - Corrugated

18x18x24 ECT-48 Double Wall Kraft Boxes - Heavy Duty Shipping Cartons, Bundle of 10

PN: HD181824DW

18 x 18 x 24 in ECT-48 Double Wall Corrugated 10 PER BUNDLE
$59.20 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes sized 18
Boxes - Corrugated

18x18x28 Shipping Boxes — ECT-32 Kraft Corrugated, 10-Pack

PN: 181828

18 x 18 x 28 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$43.85 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes sized 18
Boxes - Corrugated

18x18x30 Shipping Boxes — ECT-32 Kraft Corrugated, 10-Pack

PN: 181830

18 x 18 x 30 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$56.45 / BUNDLE
IN STOCK Ship tall items efficiently with our 18x18x36 ECT-32 kraft corrugated boxes. End-loading design speeds up packing and sealing. Sold as bundles of 10 flat for maximum freight efficiency and storage savings.
Boxes - Corrugated

18x18x36 Shipping Boxes - ECT-32 Kraft Corrugated, 10-Pack

PN: 181836

18 x 18 x 36 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$52.79 / BUNDLE
IN STOCK Adjustable two-piece telescoping outer boxes sized 20.5
Boxes - Corrugated

20.5x20.5x40" Telescoping Outer Kraft Boxes ECT-32 - Adjustable Tall Cartons, Bundle of 10

PN: T202040OUTER

20 1/2 x 20 1/2 x 40 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$93.26 / BUNDLE
IN STOCK Heavy-duty 18x18x48
Boxes - Corrugated

18x18x48" Kraft ECT-32 Corrugated Boxes - Tall Shipping, Bundle of 10

PN: 181848

18 x 18 x 48 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$73.82 / BUNDLE
IN STOCK Get reliable ECT-32 corrugated boxes in convenient 20-pack retail quantities–perfect for low-volume fulfillment operations. These 18x14x12
Boxes - Corrugated

18x14x12 Shipping Boxes — ECT-32 Kraft Corrugated, 20-Pack

PN: 181412RP20

18 x 14 x 12 in ECT-32 Corrugated 20 PER PACK
$50.58 / PACK
IN STOCK 18x14x12 Corrugated Boxes - 15 Pack Retail Bundle, Space-Saving Flat Ship — image 1
Boxes - Corrugated

18x14x12 Corrugated Boxes - 15 Pack Retail Bundle, Space-Saving Flat Ship

PN: 181412RP15

18 x 14 x 12 in
$29.87 / ea
IN STOCK Precision-engineered 18x14x12
Boxes - Corrugated

18x14x12" ECT-32 Kraft Corrugated Boxes - 10 Pack Retail

PN: 181412RP10

18 x 14 x 12 in ECT-32 Corrugated 10 PER PACK
$21.82 / PACK

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  • Inside dimensions
  • Board grade or strength rating
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  • 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 ->

Buying FAQ

What should I check before buying Shipping Boxes?

Compare Inside dimensions, Board grade or strength rating, Box style and closure, Case or bundle quantity before choosing a product from this collection.

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When should I contact support?

Contact support for pallet, recurring, mixed-SKU, or uncertain-fit orders, or when the product page does not answer the size, quantity, or delivery question.