Particles on the surface design can clean the dog's tooth;Non-toxic material, safe to chew and play;A good toy supply to have fun.Super cute, light and nice looking design.Let your pet feel the joy of movement with you. The TD Spike Ring range is made using TPR (thermoplastic rubber) which offers a superb combination of rubber and plastic to give a very tough and flexible toy. This spike ring dog chew toy is soft and flexible with nodules for an easy grip. Available in three sizes and two colours they are ideal for any pooch. The Flex material ensures long lasting funtime for your dog.Can exercise a pet's sensitivity as well while playing with it. Helps pets to grind teeth and exercise their teeth, reduce calculus and other diseases, increase pet intelligence, and let it no longer bite your home slippers.Material: Environmental TPR