8x8x40 Shipping Boxes — ECT-32 Kraft Corrugated, 20-Pack
$52.76
/ bundle of 20$2.64 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
8" × 8" × 40"
Board / material
ECT-32 Single Wall Corrugated
Color
Kraft
Freight class
Class 125
Specifications
| Inside dimensions | 8" × 8" × 40" (L × W × H) |
|---|---|
| Board / material | ECT-32 Single Wall Corrugated |
| Color | Kraft |
| Sold as | Bundle of 20 |
| Order in multiples of | 20 |
| Bundle weight | 24.5 lb |
| Outer carton (shipping) | 48.5 × 16.25 × 6.25 in |
| LTL freight class | Class 125 |
| GTIN | 841436048248 |
| SKU | 8840 |
About this item
SKU 8840 — 8" × 8" × 40", ECT-32 Single Wall Corrugated, Kraft. Sold as a bundle of 20, shipped from US warehouses.
The 8x8x40 ECT-32 Kraft Corrugated Boxes is a corrugated shipping box for e-commerce orders, parts, samples, retail goods, returns, and warehouse shipments. Listed specs include inside dimensions 8" x 8" x 40"; kraft material; ECT-32; bundle of 20. 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 does ECT-32 mean, and is it strong enough for stacking?
ECT-32 (Edge Crush Test) rating of 32 pounds per inch of board width meets standard single-wall performance for most tall-item applications. Single-wall construction keeps boxes lightweight while maintaining adequate crush resistance for palletized stacking up to 6 - 8 cartons high. For heavier loads or multi-tier pallets, compare against ECT-44 variants.
Why choose 8x8x40" instead of multiple shorter boxes?
A single tall box eliminates the need for mailing tubes or custom-cut containers, reducing material waste and SKU proliferation. End-loading makes packing fast, and the compact 8x8" footprint ships efficiently in mixed-carton pallets, cutting per-unit freight costs versus bulky alternatives.
How do these ship, and what's the storage impact?
Boxes arrive flat in bundles of 20, requiring minimal warehouse shelf space. Users simply unfold and assemble them before packing, enabling lean just-in-time operations and eliminating the cost of pre-assembled box storage.
Are these boxes eco-friendly?
Yes. Kraft corrugated is 100% recyclable and made from renewable fiber. Choosing single-wall over double-wall also reduces material consumption, making these boxes a cost-efficient and environmentally responsible choice for sustainable supply chains.
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.