Ideal for warehouse managers and fulfillment directors shipping mid-sized products requiring reliable protection without premium costs. These 21 x 10 x 10" ECT-32 kraft boxes balance strength and economy, making them use for e-commerce fulfillment, retail distribution, and general shipping operations where standard-duty performance meets volume efficiency.
Best For
How to Choose the Right Packaging
Specs at a Glance
| Material | ECT-32 Single Wall Corrugated Kraft |
| Dimensions | 21" L x 10" W x 10" H |
| ECT Rating | 32 (edge crush test) |
| Bundle Size | 25 boxes per bundle |
| Recyclable | Yes |
Common Use Cases
- E-commerce order fulfillment and direct-to-consumer shipping Retail distribution and wholesale shipping Warehouse storage and organization Moving and relocation services Industrial parts and components packaging
What You'll Receive
- 25 flat kraft corrugated boxes (21 x 10 x 10 inches) Assembled and ready for immediate use
Shipping & Packaging
Frequently Bought Together
Related suppliesFrequently Asked Questions
ECT-32 (Edge Crush Test) indicates 32 pounds per inch of crush strength, the industry standard for single-wall corrugated. It's proven for general shipping, e-commerce fulfillment, and moderate-weight products. For heavier items or double-wall requirements, consider upgrading to ECT-44 or ECT-48 ratings.
This product is sold as a bundle of 25 boxes. For volume discounts and custom quantities, contact our sales team. Ordering in bundles reduces per-unit costs and freight efficiency for larger operations.
Yes. ECT-32 kraft boxes stack reliably under normal warehouse conditions when properly loaded. Stack height depends on product weight inside, heavier loads require lower stacks. Always test stacking performance with your specific product weight to ensure stability.
Yes, kraft corrugated is 100% recyclable and made from renewable fiber sources. Using these boxes supports your sustainability goals while meeting customer expectations for environmentally responsible packaging in your supply chain.
Technical Specifications
| ECT Rating | 32 (edge crush test) |
| Bundle Size | 25 boxes per bundle |
| Recyclable | Yes |
| Color | Kraft |
| Strength / Material | ECT-32 Single Wall Corrugated |
| Dimensions (Internal) | 21"" × 10"" × 10"" (L × W × H) |
Product Downloads
Shipping Information
Outer Carton Dimensions
31.5" × 20.75" × 7.5" (L × W × D)
Unit of Measure
BUNDLE
Qty Per Shipping Unit
25 PER BUNDLE
LTL Freight Class
Class 125
Delivery Method
Shown at checkout
ORDER SUPPORT
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Buyer guides
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Buying route Use the box size calculatorUse this tool when item size, void fill, or storage space affects the carton.
Corrugated Box Buying Guide
How to pick Single, Double, or Triple wall for your weight and stack requirements.
Read Guide →How to Measure for Shipping
Measure inside and outside dimensions before choosing shipping supplies or estimating DIM-weight costs.
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