Reference Source

Inks (flammable or combustible liquid)

What is the carrier for Inks (flammable or combustible liquid)?

For Inks (flammable or combustible liquid), carrier is USPS; restriction type is restricted; scope is domestic mail via surface transportation; conditions is Mailable if qualify as Limited Quantity surface material and meet requirements; primary receptacles must be cushioned with absorbent material; follow Packaging Instruction 3A or 3B as applicable, recorded from its source on 2026-08-04.

Inks: Classified as flammable or combustible liquids. Defined as colored liquids used for writing, drawing, and printing, and often composed of pigments such as carbon black suspended in a drying oil. They are mailable if they qualify as Limited Quantity surface material

pe.usps.com, retrieved 2026-08-04

Item category
Inks (flammable or combustible liquid)
Carrier
USPS our reading
Restriction type
restricted our reading
Scope
domestic mail via surface transportation our reading
Conditions
Mailable if qualify as Limited Quantity surface material and meet requirements; primary receptacles must be cushioned with absorbent material; follow Packaging Instruction 3A or 3B as applicable
Sourcepe.usps.com
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DatasetMailing and air-carriage restrictions by item category

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

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