Made from extra-long, extra-soft bleached fibers, it is ultra soft and comfy for small animals while providing a natural living environment that is virtually dust-free. The non-toxic color does not run and is safe for pets. Biodegradable and compostable, this carefresh pet bedding is a good choice for those who care about the environment. It is also contaminants like pine or cedar oils to protect the sensitive respiratory systems of small animals like rabbits, gerbils, hamsters, and mice.