Reference Source

Dry Ice (carbon dioxide solid)

What is the carrier for Dry Ice (carbon dioxide solid)?

For Dry Ice (carbon dioxide solid), carrier is USPS; restriction type is restricted; scope is Domestic Mail via Air Transportation (up to 5 pounds per mailpiece) or Surface Transportation; prohibited International, recorded from its source on 2026-08-04.

ps://pe.usps.com/text/pub52/pub52apxc_029.htm#ep1000804> 9A Dry Ice (Carbon Dioxide Solid) <https://pe.usps.com/text/pub52/pub52apxc_030.htm#ep1000830> 9B Magnetized Materials <https://pe.usps.com/text/pub52/pub52apxc_031.htm#ep1000862> 9C Miscellaneous Hazardous Materials <https://pe.usps.com/text/pub52/pub52apxc_032.htm#ep1000901> 9D Lithium Metal and Lith

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

Item category
Dry Ice (carbon dioxide solid) verified
Carrier
USPS our reading
Restriction type
restricted our reading
Scope
Domestic Mail via Air Transportation (up to 5 pounds per mailpiece) or Surface Transportation; prohibited International our reading
Conditions
Via air, permitted in quantities of up to 5 pounds per mailpiece. Must comply with Packaging Instruction 9A in Appendix C. Dry ice is prohibited in international mail.
Sourcepe.usps.com
Verified
Review by
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.

Source

Last verified against source: . Due for re-check by . This page as Markdown · OKF bundle · full dataset as JSON.