Chinchilla Bath Sand - The Only Dust-Free Bathing Material for Pet Chinchillas. 100% volcanic mountain pumice. This totally natural earth mineral is found in the Andes Mountains. Non-toxic and virtually dust-free ensures a healthy benefit to your pet. Easy to use pre-measured packets contain the perfect amount of bathing sand for your pet's routine coat care. Chinchillas' unique and unusual sand bathing behaviour is entertaining, educational and exciting to watch.