Come and Check Our Promo Solutions.TPR material is environmentally safe and can be used to grind teeth and clean teeth. It is not particularly hard and has a certain elasticity. It will bounce when it hits the ground, so it can better train the dog's agility. Through full contact with the dog's teeth, it can not only achieve the effect of molar cleaning, but also enhance the dog's jaw muscle development. Pls check inventory and detailed info with us before placing your orders.