Handle with Care

When customers send a package containing the remains of a loved one through the mail, they trust the Postal Service to handle it with care.
Customers have the option of mailing cremated human remains — “cremains” — to a domestic address using either Registered Mail or Express Mail Service.
For cremains sent to international addresses, Registered Mail Service is the only option. The country listing in the International Mail Manual must indicate that cremated remains are permitted and that Registered Mail Service is available for that country.
According to Publication 52, Hazardous, Restricted, and Perishable Mail, human ashes must be packed in siftproof or other containers and sealed in durable siftproof outer containers. The contents should be identified on the address side of the package.  See Postal Bulletin 22242 for more information.