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Heavy Duty Boxes

SupplyLand Heavy-Duty Corrugated Boxes — Built for Tough Shipping & Storage

When your products demand extra strength, turn to SupplyLand Heavy-Duty Corrugated Boxes, engineered to go the extra mile. Choose from single-wall boxes rated ECT-44 for robust everyday use, or double-wall boxes rated ECT-48 for heavy loads needing maximum protection.

Why SupplyLand Heavy-Duty Boxes Stand Out

  • Superior strength ratings — ECT-44 single wall and ECT-48 double wall provide exceptional crush resistance
  • Protection for heavier items — Ideal for industrial parts, machinery components, bulk orders
  • Recyclable & eco-conscious — Made from corrugated fiberboard that supports sustainable packaging
  • Multiple sizes & styles — Wide range of dimensions to match your product specs
  • SupplyLand reliability — Consistent quality and fast delivery backed by our packaging expertise

Ramp up your packaging strength with SupplyLand Heavy-Duty Corrugated Boxes — the dependable choice for rugged shipments and secure storage.

SupplyLand Heavy-Duty Corrugated Boxes — Built for Tough Shipping & Storage

When your products demand extra strength, turn to SupplyLand Heavy-Duty Corrugated Boxes, engineered to go the extra mile. Choose from single-wall boxes rated ECT-44 for robust everyday use, or double-wall boxes rated ECT-48 for heavy loads needing maximum protection.

Why SupplyLand Heavy-Duty Boxes Stand Out

  • Superior strength ratings — ECT-44 single wall and ECT-48 double wall provide exceptional crush resistance
  • Protection for heavier items — Ideal for industrial parts, machinery components, bulk orders
  • Recyclable & eco-conscious — Made from corrugated fiberboard that supports sustainable packaging
  • Multiple sizes & styles — Wide range of dimensions to match your product specs
  • SupplyLand reliability — Consistent quality and fast delivery backed by our packaging expertise

Ramp up your packaging strength with SupplyLand Heavy-Duty Corrugated Boxes — the dependable choice for rugged shipments and secure storage.

190 items
Discounted Shipping $150+
Free Swag $150+

Active Filters

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6 x 6 x 6" heavy duty shipping boxes, kraft - p5575
Part #P5575
Strength
44 ECT / 275 LB. Single Wall
8 x 8 x 8" heavy duty shipping boxes, kraft - p5576
Part #P5576
Strength
44 ECT / 275 LB. Single Wall
10 x 10 x 10" heavy duty shipping boxes, kraft - p5577
Part #P5577
Strength
44 ECT / 275 LB. Single Wall
11 1/4 x 8 3/4 x 6" heavy duty shipping boxes, kraft - p5578
Part #P5578
Strength
44 ECT / 275 LB. Single Wall
11 1/4 x 8 3/4 x 12" heavy duty shipping boxes, kraft - p5579
Part #P5579
Strength
44 ECT / 275 LB. Single Wall
11 1/4 x 8 3/4 x 10" Heavy Duty Shipping Boxes, Kraft
Part #P11602
Strength
44 ECT / 275 LB. Single Wall
12 x 6 x 6" heavy duty shipping boxes, kraft - p5580
Part #P5580
Strength
44 ECT / 275 LB. Single Wall
12 x 10 x 6" heavy duty shipping boxes, kraft - p5581
Part #P5581
Strength
44 ECT / 275 LB. Single Wall
12 x 10 x 8" heavy duty shipping boxes, kraft - p5582
Part #P5582
Strength
44 ECT / 275 LB. Single Wall
12 x 12 x 6" heavy duty shipping boxes, kraft - p5583
Part #P5583
Strength
44 ECT / 275 LB. Single Wall
12 x 12 x 12" heavy duty shipping boxes, kraft - p5584
Part #P5584
Strength
44 ECT / 275 LB. Single Wall
14 x 12 x 10" heavy duty shipping boxes, kraft - p5585
Part #P5585
Strength
44 ECT / 275 LB. Single Wall
16 x 12 x 8" heavy duty shipping boxes, kraft - p5586
Part #P5586
Strength
44 ECT / 275 LB. Single Wall
16 x 12 x 12" heavy duty shipping boxes, kraft - p5587
Part #P5587
Strength
44 ECT / 275 LB. Single Wall
16 x 16 x 16" heavy duty shipping boxes, kraft - p183
Part #P183
Strength
44 ECT / 275 LB. Single Wall
17 1/4 x 11 1/4 x 6" heavy duty shipping boxes, kraft - p5588
Part #P5588
Strength
44 ECT / 275 LB. Single Wall
17 1/4 x 11 1/4 x 8" heavy duty shipping boxes, kraft - p5589
Part #P5589
Strength
44 ECT / 275 LB. Single Wall
17 1/4 x 11 1/4 x 10" heavy duty shipping boxes, kraft - p5590
Part #P5590
Strength
44 ECT / 275 LB. Single Wall
17 1/4 x 11 1/4 x 12" heavy duty shipping boxes, kraft - p5591
Part #P5591
Strength
44 ECT / 275 LB. Single Wall
18 x 12 x 12" heavy duty shipping boxes, kraft - p5592
Part #P5592
Strength
44 ECT / 275 LB. Single Wall
18 x 18 x 12" heavy duty shipping boxes, kraft - p5593
Part #P5593
Strength
44 ECT / 275 LB. Single Wall
18x18x18 heavy duty shipping boxes, kraft - p185
Part #P185
Strength
44 ECT / 275 LB. Single Wall
20 x 16 x 14" heavy duty shipping boxes, kraft - p5594
Part #P5594
Strength
44 ECT / 275 LB. Single Wall
20 x 20 x 12" heavy duty shipping boxes, kraft - p5595
Part #P5595
Strength
44 ECT / 275 LB. Single Wall
6 x 6 x 6" heavy duty shipping boxes, kraft - p5575
Part #P5575
Strength
44 ECT / 275 LB. Single Wall
8 x 8 x 8" heavy duty shipping boxes, kraft - p5576
Part #P5576
Strength
44 ECT / 275 LB. Single Wall
10 x 10 x 10" heavy duty shipping boxes, kraft - p5577
Part #P5577
Strength
44 ECT / 275 LB. Single Wall
11 1/4 x 8 3/4 x 6" heavy duty shipping boxes, kraft - p5578
Part #P5578
Strength
44 ECT / 275 LB. Single Wall
11 1/4 x 8 3/4 x 12" heavy duty shipping boxes, kraft - p5579
Part #P5579
Strength
44 ECT / 275 LB. Single Wall
11 1/4 x 8 3/4 x 10" Heavy Duty Shipping Boxes, Kraft
Part #P11602
Strength
44 ECT / 275 LB. Single Wall
12 x 6 x 6" heavy duty shipping boxes, kraft - p5580
Part #P5580
Strength
44 ECT / 275 LB. Single Wall
12 x 10 x 6" heavy duty shipping boxes, kraft - p5581
Part #P5581
Strength
44 ECT / 275 LB. Single Wall
12 x 10 x 8" heavy duty shipping boxes, kraft - p5582
Part #P5582
Strength
44 ECT / 275 LB. Single Wall
12 x 12 x 6" heavy duty shipping boxes, kraft - p5583
Part #P5583
Strength
44 ECT / 275 LB. Single Wall
12 x 12 x 12" heavy duty shipping boxes, kraft - p5584
Part #P5584
Strength
44 ECT / 275 LB. Single Wall
14 x 12 x 10" heavy duty shipping boxes, kraft - p5585
Part #P5585
Strength
44 ECT / 275 LB. Single Wall
16 x 12 x 8" heavy duty shipping boxes, kraft - p5586
Part #P5586
Strength
44 ECT / 275 LB. Single Wall
16 x 12 x 12" heavy duty shipping boxes, kraft - p5587
Part #P5587
Strength
44 ECT / 275 LB. Single Wall
16 x 16 x 16" heavy duty shipping boxes, kraft - p183
Part #P183
Strength
44 ECT / 275 LB. Single Wall
17 1/4 x 11 1/4 x 6" heavy duty shipping boxes, kraft - p5588
Part #P5588
Strength
44 ECT / 275 LB. Single Wall
17 1/4 x 11 1/4 x 8" heavy duty shipping boxes, kraft - p5589
Part #P5589
Strength
44 ECT / 275 LB. Single Wall
17 1/4 x 11 1/4 x 10" heavy duty shipping boxes, kraft - p5590
Part #P5590
Strength
44 ECT / 275 LB. Single Wall
17 1/4 x 11 1/4 x 12" heavy duty shipping boxes, kraft - p5591
Part #P5591
Strength
44 ECT / 275 LB. Single Wall
18 x 12 x 12" heavy duty shipping boxes, kraft - p5592
Part #P5592
Strength
44 ECT / 275 LB. Single Wall
18 x 18 x 12" heavy duty shipping boxes, kraft - p5593
Part #P5593
Strength
44 ECT / 275 LB. Single Wall
18x18x18 heavy duty shipping boxes, kraft - p185
Part #P185
Strength
44 ECT / 275 LB. Single Wall
20 x 16 x 14" heavy duty shipping boxes, kraft - p5594
Part #P5594
Strength
44 ECT / 275 LB. Single Wall
20 x 20 x 12" heavy duty shipping boxes, kraft - p5595
Part #P5595
Strength
44 ECT / 275 LB. Single Wall