nonhazardous liquids
For nonhazardous liquids, carrier is USPS; restriction type is allowed; scope is domestic mail; conditions is Liquids that are nonhazardous are mailable provided they are properly packaged, recorded from its source on 2026-08-04.
- Item category
- nonhazardous liquids unconfirmed
- Carrier
- USPS our reading
- Restriction type
- allowed our reading
- Scope
- domestic mail our reading
- Conditions
- Liquids that are nonhazardous are mailable provided they are properly packaged
Values marked unconfirmed are shown, but we could not tie them to the quote below: Item category. Read the quote and judge them yourself.
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.
What the source says
Liquids that are nonhazardous (i.e., not regulated as hazardous materials) are mailable provided they are properly packaged as specified in 451.3
— pe.usps.com, retrieved 2026-08-04
Source
- pe.usps.comhttps://pe.usps.com/text/pub52/pub52c4_018.htm