CREMATED REMAINS—The TSA promises to treat them “with respect,” no matter if they be human or pet remains. They are a definite “Check With Airline Policy” item. Not all carriers allow ashes as checked baggage. The TSA says that “under no circumstances” will an official open a crematory container, so travelers who have determined that their airlines will allow transport are urged to use lighter-weight material, such as wood or plastic, during transit. If the container material prevents screeners from identifying the contents, the container will not be permitted.