Ideal for warehouse managers and fulfillment directors shipping lightweight, shallow products that require compact packaging. These 20" x 12" x 4" ECT-32 kraft corrugated boxes maximize freight efficiency by minimizing dimensional weight charges while protecting apparel, books, artwork, and picture frames during transit.
Best For
How to Choose the Right Packaging
Specs at a Glance
| Material | ECT-32 Single Wall Kraft Corrugated |
| Dimensions | 20" L x 12" W x 4" H |
| Bundle Quantity | 25 Boxes per Bundle |
| Shipping Format | Flat (Collapsed) to Maximize Storage & Reduce Freight |
| Recyclable | Yes |
Common Use Cases
- Shipping apparel and clothing items Protective packaging for books and printed materials Picture frame and artwork distribution Mirror and glass item protection E-commerce fulfillment for shallow merchandise
What You'll Receive
- 25 flat corrugated boxes (20" x 12" x 4") Ready-to-assemble kraft cartons with standard flaps
Shipping & Packaging
Frequently Bought Together
Related suppliesFrequently Asked Questions
ECT-32 refers to Edge Crush Test rating of 32 pounds per inch, a standard for single-wall corrugated. This provides reliable stacking strength for mid-weight products while maintaining cost efficiency. For shallow boxes like these, ECT-32 delivers optimal protection-to-cost ratio for B2B shipping volumes.
Carriers charge based on dimensional weight (length x width x height / 166). The 4-inch depth minimizes cubic footage per shipment, lowering DIM weight charges significantly compared to standard-depth boxes. When multiplied across thousands of monthly shipments, this creates substantial volume savings.
Yes. ECT-32 single-wall construction supports reliable stacking performance typical of retail-weight merchandise. Stack height depends on product weight, but these boxes are engineered for standard warehouse vertical storage of lighter items like apparel and books.
This size is optimized for apparel, books, magazines, picture frames, artwork, mirrors, and similar shallow merchandise. The dimensions minimize wasted space while providing 960 cubic inches of volume, making it ideal for e-commerce fulfillment where every square inch impacts logistics costs.
Technical Specifications
| Bundle Quantity | 25 Boxes per Bundle |
| Shipping Format | Flat (Collapsed) to Maximize Storage & Reduce Freight |
| Recyclable | Yes |
| Color | Kraft |
| Strength / Material | ECT-32 Single Wall Corrugated |
| Dimensions (Internal) | 20"" × 12"" × 4"" (L × W × H) |
Product Downloads
Shipping Information
Outer Carton Dimensions
32.0" × 16.5" × 8.0" (L × W × D)
Unit of Measure
BUNDLE
Qty Per Shipping Unit
25 PER BUNDLE
LTL Freight Class
Class 125
Delivery Method
Shown at checkout
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Corrugated Box Buying Guide
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Measure inside and outside dimensions before choosing shipping supplies or estimating DIM-weight costs.
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