Pet Burial Coffin or Casket (air and Odor Leak Proof) The most sensible solution for internment of your family pet. Pet can be kept safe for an extended period, transported and interred at a later date at a chosen location (home, pet cemetery). America's safest pet burial system - hard case protected and odorless. Completely enclosed in an airtight sealed container. Vault is constructed of a rugged plastic container. Vault is sealed by the easy turning of two screws, keeping your pet safe.