Mailable to International (Under Certain Conditions)
USPS letterhead for HEADQUARTERS users.
USPS marked my package i sent out as Hazardous Materials?? it was only two pairs of sweatpants… would i need a new label to have this shipped back out? : r/Depop
Hazardous materials | USPS News Link
HAZMAT
HAZMAT Shipping Safety Guide | USPS Delivers
Shipping Hazardous Materials (HAZMAT) Guide 2022
Poster 298, Domestic Hazardous Materials Warning Labels and Markings
325 DOT Hazardous Materials Warning Labels and Markings | Postal Explorer