Package includes 3 dog balls: The special surface design adapts to the shape of your pet's teeth, helping dogs clean their teeth, massage their gums, and keep their teeth healthy. Non-toxic rubber puppy ball: The dog toy ball is made of non-toxic natural rubber, bite-resistant and elastic. Safe for pets. Squeaking sounds: The squeaking sounds attract your dog's attention and make them excited and happy, but they are neither harsh nor disturbing for you or your pet; The sound can help relieve your dog's anxiety and calm an anxious dog. Learning Toy Ball: It can be used as a toy ball for outdoor catch and throw games to help pets improve their intelligence and prevent dogs from biting people. Interactive Dog Toy: This toy ball can relieve your dog's boredom and is perfect for interacting with your pet and improving your relationship with them.