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USPS Packaging Instruction 3D

Ethanol-based Flammable Liquids and Solids

Certain limited quantities of flammable liquids and solids containing ethyl alcohol are permitted in the domestic mail via air transportation, with special authorization from the manager, Product Classification when all applicable requirements in 343.27 are met.

Proper Shipping Name

ID Number

Mailability

Required Packaging

Separate packaging requirements apply, dependent on the percentage of ethyl alcohol and primary container used.

For content not more than 70% ethyl alcohol:

Primary Receptacle
Cushioning Material
Outer Packaging
Marking

The words “Contains Air-Eligible Ethyl Alcohol Authorization No. #” are marked on the outer package in at least 14 point type.

For content not more than 70% ethyl alcohol:

Primary Receptacle
Cushioning Material
Outer Packaging
Marking

The words “Contains Air-Eligible Ethyl Alcohol Authorization No. #” are marked on the outer package in at least 14-point type.