Zoo Med Aspen Snake BeddingZoo Med Aspen Snake Bedding is 99. 9% dust free, non toxic, hypoallergenic, has higher absorption properties than other bedding, and contains no harmful oils. It provides a safe, naturalistic substrate that allows snakes, lizards and small animals to form burrows and nests as they would in the wild. 99. 9% dust free, non toxic and hypoallergenic Contains no harmful oils Safe, naturalistic substrate that allows snakes, lizards and small animals to form