Aspen Shavings Bedding - 100% Heat-Treated Aspen Shavings - Small Pet Select U.S.
Amazon.com : Kaytee Small Animal Hardwood Aspen Bedding For Pet Guinea Pigs, Rabbits, Hamsters, Gerbils, and Chinchillas, 54.2 Liter,Brown : Pet Habitat Bedding : Pet Supplies