4x4x48 Shipping Boxes — ECT-32 Kraft Corrugated, 25-Pack
$49.01
/ bundle of 25$1.96 per box
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Ships from the nearest of 5 US warehouses · freight calculated at checkout
30-day returns on stock items · Return policy
Inside dimensions
4" × 4" × 48"
Board / material
ECT-32 Single Wall Corrugated
Color
Kraft
Freight class
Class 125
Specifications
| Inside dimensions | 4" × 4" × 48" (L × W × H) |
|---|---|
| Board / material | ECT-32 Single Wall Corrugated |
| Color | Kraft |
| Sold as | Bundle of 25 |
| Order in multiples of | 25 |
| Bundle weight | 17.72 lb |
| Outer carton (shipping) | 52.5 × 11.0 × 8.25 in |
| LTL freight class | Class 125 |
| GTIN | 812578002405 |
| SKU | 4448 |
About this item
SKU 4448 — 4" × 4" × 48", ECT-32 Single Wall Corrugated, Kraft. Sold as a bundle of 25, shipped from US warehouses.
The 4x4x48 ECT-32 Kraft Corrugated Boxes - End Load Design, 25-Pack Bundle is a long corrugated shipping box for rods, trim, tubes, banners, rolled goods, shelves, and replacement parts. Listed specs include inside dimensions 4" x 4" x 48"; kraft material; ECT-32; bundle of 25. Use it as a shipping carton, mailing box, storage box, or e-commerce shipper when the item fits the listed dimensions.
Ideal for shipping posters, rods, artwork, banners, lighting, and rolled goods. A sturdy, reliable choice for small-business, Etsy, and ecommerce shippers.
Long shipping boxes: Good fit for shipping posters, rods, artwork, banners, lighting parts, and other long items. These corrugated boxes help small businesses, ecommerce teams, and warehouse shippers match products to the right box size for everyday fulfillment.
Common questions
What is the ECT rating and why does it matter?
ECT-32 means edge crush test of 32 pounds per inch, a reliable performance standard for single-wall corrugated. This rating ensures your boxes withstand typical warehouse stacking loads and transit conditions without compression failure, protecting contents while maintaining cost efficiency compared to thicker-wall alternatives.
Can these boxes replace mailing tubes?
Yes. The 4 x 4 x 48" tall format eliminates the need for separate tube inventory. End-loading design enables fast packing without wrapping or tape application, reducing material costs and labor while providing equivalent protection for rolled items, blueprints, and posters.
How many boxes fit on a pallet, and what's the space savings?
Flat-packed bundles of 25 boxes maximize pallet density, typically 40-50 bundles per standard pallet depending on configuration. Compared to pre-assembled boxes, flat packing reduces your storage footprint by up to 80% and cuts freight costs significantly when ordering in volume.
What products work best in a 4 x 4 x 48" box?
Ideal for items up to 48" in length with a footprint under 4 x 4", including rolled documents, posters, thin tubing, sporting equipment, fishing rods, umbrellas, and small-diameter pipe. The tall narrow profile optimizes packing density for e-commerce and industrial distribution channels.
Order support
Questions on specs or freight?
Send the SKU, quantity, and delivery ZIP and we will confirm specs, availability, and freight before you order.