Uline S-4420 Equivalent: 11.25 x 8.75 x 6" Multi-Depth Boxes (15-pack)
Model-to-size mapping verified against Uline’s published catalog listings on July 31, 2026; the Packrift price below is our live catalog price.
Uline model S-4420 is a 11.25 x 8.75 x 6" multi-depth box per Uline’s published listings. The Packrift exact-size equivalent — same length × width × height, same grade class — is 11.25x8.75x6 ECT-48 Double Wall Corrugated Boxes - Heavy Duty Shipping, Bundle of 15, priced at $35.86 per 15-pack ($2.39 per box) today.
| Size | Grade class | Pack | Price today | Per box | |
|---|---|---|---|---|---|
| Uline S-4420 | 11.25 x 8.75 x 6" | Multi-Depth Box | see your invoice | see your invoice | — |
| Packrift equivalent | 11.25 x 8.75 x 6" | Multi-Depth Box | 15 | $35.86 | $2.39/box |
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Frequently asked questions
Is this the same box as Uline S-4420?
It matches S-4420’s published dimensions (11.25 x 8.75 x 6") in the same grade class, so it packs and stacks the same. It is not manufactured by or affiliated with Uline — when replacing a certified spec, match the certificate stamp printed on the box.
What if my Uline model isn’t listed here?
The cross-reference currently covers 634 verified models across boxes and mailers. Enter yours in the lookup tool, or request a quote with the model number and we’ll match it by spec.
Uline is a registered trademark of Uline, Inc. Packrift is not affiliated with Uline; model numbers are referenced for size-compatibility comparison only.