Learn about USPS guidelines on hazardous materials (HAZMAT) or dangerous goods, what it means if an item is restricted or prohibited, and if you may ship food, batteries, alcohol, hand sanitizer, liquids, marijuana, or tobacco through the mail.
Raw foods can be mailed within the country, but international shipping has its restrictions. For detailed restrictions or specific queries, it’s recommended to check the USPS Shipping Restrictions or consult with your local post office. Remember, while nonperishable foods are generally accepted, it...
HAZMAT also includeslithium batteries(like the ones in cell phones and electronics); they contain a lot of energy and can be a fire risk. Some HAZMAT is prohibited—you can't send it through USPS and must use another carrier. Other HAZMAT is restricted—you can mail it if you follow all...