Corrugated Box Dimension Guide
Direct answer: For corrugated boxes, start with inside dimensions. Then confirm ECT grade, wall type, color, bundle quantity, and whether a nearby larger or smaller carton is acceptable.
What To Check
| Area | Spec to confirm | Why it matters | Next page |
|---|---|---|---|
| Inside dimensions | Length x width x height usable space | Match the product being packed, not the shipping label size. | Open guide |
| ECT grade | Common examples include ECT-32 and ECT-44 | Choose based on strength and handling needs. | Open guide |
| Wall type | Single-wall or double-wall | Use heavier construction when the load or handling requires it. | Open guide |
| Bundle quantity | Typical box SKUs sell in bundles or cases | Confirm storage space and reorder cadence. | Open guide |
| Nearby substitute | Next larger size is usually safer than next smaller | Check void fill and dimensional-weight impact. | Open guide |
Procurement Rule
Use the product page as the final source for current price, availability, sellable unit, and checkout details. Use these guides to avoid wrong-spec substitutions before adding to cart.
FAQ
Are box dimensions inside or outside?
Packaging buyers should treat listed box dimensions as inside dimensions unless the product page states otherwise.
Is ECT-44 the same as ECT-32?
No. ECT-44 is a higher edge-crush rating than ECT-32 and should not be swapped without confirming the workflow.