Non-toxic Material: The product is made of extra strong rubber material, good elasticity, bite resistant and non-toxic, non-abrasive, safe for your cute dog crunching and cleaning his teeth. MORE ENTERTAINMENT: Perfect for recovering and interacting with your dog. You can add food or treats into the grooves and keep the dog occupied for hours. Strong and healthy teeth: The unique soft surface relief can effectively help clean the teeth and keep healthy gums. IMPROVE INTELLIGENCE AND DO RAINING IQ: This dog toy can easily attract your pet’s attention, improve pet intelligence, and is convenient for training dogs. Perfect gift: your active dogs will love this toy