Yes pet ashes, like human ashes, can be mailed providing they are in two containers: the inner, leak-proof container that is well padded for protection, and the outer secure shipping container. In the USA the only service that allows mailing ashes is the United States Postal Service

the United States Postal Service

The United States Postal Service (USPS; also known as the Post Office, U.S. Mail, or Postal Service) is an independent agency of the executive branch of the United States federal government responsible for providing postal service in the United States, including its insular areas and associated states.

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(USPS).

Can you send cremated ashes in the mail?

The United States Postal Service offers the only legal method of shipping cremated remains domestically or internationally. Their most recent guidelines were issued September, 2019. The United States Postal Service® (USPS) is the only shipping company that ships Cremated Remains.

What should I do with my pets ashes?

9 Creative Ideas to Honor Your Pet With Their Ashes