Reference Source

Dry ice — domestic air

For Dry ice, item category is Dry ice — domestic air; carrier is USPS; restriction type is restricted; scope is domestic mail via air transportation; conditions is Permitted in quantities of up to 5 pounds per mailpiece; must comply with Packaging Instruction 9A, recorded from its source on 2026-08-04.

Item category
Dry ice — domestic air unconfirmed
Carrier
USPS our reading
Restriction type
restricted our reading
Scope
domestic mail via air transportation our reading
Conditions
Permitted in quantities of up to 5 pounds per mailpiece; must comply with Packaging Instruction 9A unconfirmed
Sourcepe.usps.com
Verified2026-08-04
Review by2027-08-04
DatasetPostal shipping restrictions by item category

Values marked unconfirmed are shown, but we could not tie them to the quote below: Conditions, 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

Domestic Mail via Air Transportation: Dry ice is permitted in quantities of up to 5 pounds per mailpiece.

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

Source

Last verified against source: 2026-08-04. Scheduled for re-check by: 2027-08-04. This page as Markdown · OKF concept · full dataset as JSON.