Self healing thermoplastic balls make the best toys for dogs that are active chewers, and this one even comes with grooved ridges to make it even more fun to gnaw. The ridges also serve to remove plaque and tartar build up on the teeth and is gentle on gums. For throw and retrieve games with you and excellent dental care at the same time, all dogs need a thermoplastic rubber ball to play with. || * Thermoplastic ball | * With grooved ridges | * Cleans teeth | * Removes plaque and tartar build up | * Dental care ball |* Extreme chewy fun | * Dogs toy ball | * Size: 11cm