Special suction cup ball design make your dogs play by themselves. Multiple functions in one like bite training, Furniture protector, feeding and so on. Guide dogs to release their nature. Save trouble and free hands for you.30 days Refund and 180 days replacement policy without hassle and LIFE-TIME warranty. 100% customer satisfaction is guaranteed.✔Powerful Suction&Safe rubber material:Suction cup adopt the high quality silicone rubber which has strong suction, it is very suitable for Smooth ground. Puppies can bite the ball to training unceremoniously for suction cup will not pull away easily. Food-grade material is harmless, just enjoy toys.✔Molar&Auto feeding function:The ball equipped with bumps and triangular opening to molar the dog's teeth which can not only help effectively help the development of puppies teeth and fundamentally solve the dog's tone problem. Triangular opening make it very easy to put the food in the ball. Dogs can play and feed by themselves.✔Built-in bell to attract dogs constantly:The bell will Keep attracting dogs, increase the time the dog spends playing, help to drain the dog’s energy. So that they will not bite the furniture. ✔Size Map:Total length: 15.8 inchSuction cup: 3.7 inchBall diameter: 3.1 inch