Made of high quality TPR food grade rubber, bite resistant and environmental friendly, safe and harmless. The upgraded powerful suction cup can stably fix the distribution ball in the designated position. When pets play, food leaks out. The built-in bell will increase their interest and can attract dog's attention and energy without having time to bite your furniture. The surface rubber granules can improve pet oral health. Double-layered tooth bulge can effectively remove dog's calculus, tartar and bad breath, thus keeping the dog's breath fresh. Unique design, it is attractive for the dog and makes them not refuse it. To encourage the dog to do more exercise and prevent them from becoming fat and have a healthy body. The self-playing rubber ball can Enhance IQ, and provides a challenging way to dispense treats. It reduces boredom and destructive behavior through healthy play and exercise, while developing, and maintaining your dog's physical alertness.