Stimulate your pet with the interactive Bouncy Bone Toy. The design of the durable nylon bone & rubber ball provide dogs with an extended chewing experience - The Gnawhide treats last longer than giving treats alone & dogs are stimulated to chew the toy well after the irrestiable treats are gone. Toy unscrews to load treats and clean. Supplied with three sets of Gnawhide treat rings. Additional Grawhide treat rings sold seperatly. Ideal for strong chewers.