Rubber Material: The dog ball is made of natural rubber, which is safe and non-toxic, and the material is soft, so dogs can use it with confidence. 8cm is suitable for puppies and large dogs. Interactive Dog Toys: Dog toys can increase your interaction and educational training with your dog, train your dog’s reaction and jumping ability, and release your dog’s energy. Dogs can also clean their teeth while chewing. Food Ball Toy - Pour your dog’s favorite food or treat into the dog toy. There are three scalloped compartments inside the dog ball. As the dog chews and shakes the dog ball, the food walks slowly, increasing the dog’s search. Fun eating helps dogs slow down eating and develop good habits. Toys for dogs when bored. Pour food or treats into dog balls, a great game for housebound and bored dogs. Dog balls and food spills can also keep dogs happy for a long time. Package Contents: 1 package, blue color, no other products included.