Made of tough and durable nylon, this toy is made with powerful chewers in mind Challenges aggressive chewers, extra durable, long lasting, flavour throughout Tiny bristles raise on the bone during chewing, like a mini toothbrush to help keep teeth clean and prevent tartar build up Satisfy your dogs natural urge to chew and keep him busy with something tasty and long lasting to chon; the materials are tough as real as bone. ones but they dont have the same dangers