Rubber Material: The dog toy ball is made of natural rubber, which is safe and non-toxic, and the material is soft, which can be used by dogs with confidence. 8cm is suitable for puppies and large dogs. Dog Puzzle: Dog puzzle toys can increase your interaction and puzzle training with your dog, train reaction and jumping ability of your dog, and release your dog's energy. Dogs can also clean your dog's teeth while chewing on the toys. Dog Treat Dispenser: Pour food or snacks that dogs like into dog toys. There are three fan-shaped compartments inside the dog toy ball. When the dog chews and shakes the ball of the toy, the dog food will slowly flow out, increasing the dog's search. Fun eating helps dogs slow down their diet to build good habits. Dog toys for boredom: Pour food or snacks into the dog toy balls, which will is a good game for dogs at home and when they are boring. Rolling dog balls and leaked food can also make dogs happy for a long time.