Non-toxic and on-allergenic, Shredded Aspen Bedding is currently used by top breeders and veterinarians around the world for a variety of small animals. Features include: virtually dust free, keeping small animals' respiratory systems clean and healthy; hypoallergenic for animals with sensitive skin and coats; naturalistic surface allows small animals to easily form burrows and nests; all natural, 100 percent Eco-friendly and biodegradable; carefully tested, with zero harmful chemicals or toxic oils.