UN packaging, decoded

Decode marks. Ship with confidence.

Enter the code stamped on a drum, pail, or box. Get the container, rating, weight, year, and meaning—without digging through 49 CFR.

Try 4G/Y15/S/26/USA/M5678

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4G/Y15/S/26/USA/M5678
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$ markwise decode 4G/Y15/S/26/USA/M5678

4G · Container

Fiberboard box

Y15 · Packing group

II / III eligible

S · Contents

Solids or inner packagings

26 · Year

Manufactured 2026

Mark status

Plain-English breakdown ready

Free UN mark decoder

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Built for common UN performance marks on drums, pails, jerricans, and boxes. Every result explains what was read—and what still needs a packaging record.

Educational use only

Markwise is not regulatory or legal advice. A decoded mark is not a compliance determination, expiry ruling, or reuse authorization. The shipper remains responsible for compliance under 49 CFR.

Read 49 CFR § 178.503 marking requirements
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4G / Y15 / S / 26 / USA / M5678

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01

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02

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03

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Markwise provides educational information and does not constitute regulatory or legal advice. The shipper remains responsible for compliance under 49 CFR.

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    Markwise | Decode UN Packaging Marks