Warehouse managers and fulfillment directors shipping mid-to-large items requiring protection and stackability. The 20 x 20 x 12" heavy-duty kraft box delivers 40% greater strength than standard single-wall alternatives, making it ideal for high-volume operations prioritizing damage reduction and pallet utilization efficiency.
Best For
How to Choose the Right Packaging
Specs at a Glance
| Material | ECT-44 Single Wall Kraft Corrugated |
| Dimensions | 20" L x 20" W x 12" H |
| Edge Crush Test (ECT) | 44 lbs/inch (40% stronger than standard ECT-32) |
| Case Format | Bundle of 10 flat boxes |
| Recyclable | Yes |
Common Use Cases
- E-commerce fulfillment for apparel, electronics, and small appliances Warehouse storage and organization for medium-weight inventory Industrial shipping of parts, components, and assembled goods Pallet stacking operations requiring maximum compression strength Food and beverage distribution with moisture-resistant kraft protection
What You'll Receive
- 10 flat-packed heavy-duty corrugated boxes (20 x 20 x 12") Ready to assemble and ship immediately
Shipping & Packaging
Frequently Bought Together
Bundle & Save 5%Frequently Asked Questions
ECT (Edge Crush Test) measures corrugated board strength in pounds per linear inch. ECT-44 handles 44 lbs/inch of compression, 40% stronger than standard ECT-32 boxes. This prevents box collapse during pallet stacking, reduces damage claims, and maximizes stackable height, critical for warehouse density and freight savings.
A 20 x 20 x 12" box can stack 4-5 high safely on a pallet (12 boxes per layer, ~60 boxes per pallet mixed). Total pallet weight capacity depends on product density; consult our packing guide or contact sales for your specific load requirements.
Yes. The ECT-44 single-wall construction is designed for high-speed automated equipment. Consistent blank dimensions ensure reliable machine feeding, and the kraft material resists tearing during erection and sealing processes.
Bulk pricing tiers start at 5 bundles (50 boxes). Divide bundle price by 10 to get per-box cost. Order 20+ bundles for maximum per-unit savings. Request a custom quote for annual commitments, we offer freight credits on orders over $5,000.
Technical Specifications
| Material | ECT-44 Single Wall Kraft Corrugated |
| Dimensions | 20" L x 20" W x 12" H |
| Edge Crush Test (ECT) | 44 lbs/inch (40% stronger than standard ECT-32) |
| Case Format | Bundle of 10 flat boxes |
| Recyclable | Yes |
| Color | Kraft |
| Strength / Material | ECT-44 Single Wall Corrugated |
| Dimensions (Internal) | 20"" × 20"" × 12"" (L × W × H) |
Product Downloads
Shipping Information
Outer Carton Dimensions
40.25" × 32.5" × 3.25" (L × W × D)
Unit of Measure
BUNDLE
Qty Per Shipping Unit
10 PER BUNDLE
LTL Freight Class
Class 125
Carrier Eligibility
UPS Ground & Freight Eligible
TRUST & RELIABILITY
Product Support
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Buyer guides
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