4x4x24 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack 4424
$33.49
/ bundle of 25$1.34 per box
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| Quantity (bundle) | Item-subtotal discount |
|---|---|
| 1–2 | Base item price |
| 3–5 | 3% off qualifying item subtotal |
| 6+ | 5% off qualifying item subtotal |
| Pallet or repeat orders | Get a delivered quote |
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Shipping & returns details
Ships from U.S. warehouses. 30-day returns on unopened stock items.
Shipping cost and timing depend on the product, quantity and destination. Parcel or freight service is used as appropriate. Shipping discounts apply only to qualifying orders and rates.
Standard delivery is to street addresses in the contiguous U.S. Eligible returns must be unused and in original packaging; return shipping may apply.
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Inside dimensions
4" × 4" × 24"
Board / material
ECT-32 Single Wall Corrugated
Color
Kraft
Freight class
Class 125
From our customers
“The packaging is sturdy, well-made, and looks professional. We’re really pleased with the quality.”
“They helped us choose the right packaging for our products and made ordering easy.”
“Ordering was easy, everything arrived as described, and we’ll definitely order again.”
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Specifications
| Inside dimensions | 4" × 4" × 24" (L × W × H) |
|---|---|
| Board / material | ECT-32 Single Wall Corrugated |
| Color | Kraft |
| Sold as | Bundle of 25 |
| Physical units per order increment | 25 (one bundle) |
| Bundle weight | 8.48 lb |
| Outer carton (shipping) | 28.5 × 8.25 × 7.0 in |
| LTL freight class | Class 125 |
| SKU | 4424 |
About this item
SKU 4424 — 4" × 4" × 24", ECT-32 Single Wall Corrugated, Kraft. Sold as a bundle of 25, shipped from US warehouses.
4x4x24 ECT-32 kraft corrugated shipping boxes 25-Pack. ECT-32 board (32 lb per inch edge crush). Natural kraft finish. Pack of 25 (25-pack). Handles routine outbound shipping as well as on-site storage and moves. Shoppers also call these shipping cartons, corrugated cartons, or mailing boxes. For shipping goods, organizing stockrooms, and packing household items.
Compare nearby options
Larger, smaller and stronger options from the same family. Prices shown are current case prices; freight is calculated at checkout.
Common questions
What is ECT-32 and why does it matter for tall boxes?
ECT (Edge Crush Test) 32 measures the corrugated material's top-to-bottom stacking strength at 32 pounds per inch of width. For 4-inch-wide boxes, this delivers approximately 128 pounds of static stacking load capacity, sufficient for 3-4 layers of packed tall items in warehouse racks without collapse risk.
Can these boxes replace mailing tubes for fragile items?
Yes. The 4 x 4 x 24" format provides protection versus tubes because corrugated sidewalls absorb impact across the entire surface. Items remain centered and protected during transit, with room for cushioning materials (foam, kraft paper) around the product.
How does the end-load design improve fulfillment speed?
End-loading allows workers to insert items vertically without rotating the box or manipulating multiple flaps. This single-motion packing reduces labor time per unit by 20-30% compared to standard top-load boxes, directly improving warehouse throughput and reducing per-unit labor cost.
What is the freight cost advantage versus oversized boxes?
Dimensional weight is calculated as length x width x height / 166 (DIM factor). A 4 x 4 x 24" box = 0.58 DIM lbs vs. a 6 x 6 x 20" box = 1.09 DIM lbs. Using tall slim boxes reduces freight spend by 47% per box, translating to 10-15% annual savings on high-volume tall-item shipments.
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Questions on specs or freight?
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