With built-in bristles and durable rubber nubs, the Bristle Bone Dog Dental Toy is terrific for your dogs teeth and gums. This dog dental bone has a rugged, easy-clean design that is made for strong chewers. The replaceable Gnawhide treat rings provide an irresistible challenge your dog will love. Designed for strong chewers Great for teeth and gums Two extra treat rings includedA dental dog toy your dog is guaranteed to chew? How bold. How brash. How surprisingly accurate.