PetProjekt Finbon Has durable ridges that massages teeth and gums Material is 100% natural rubber, which is gentle for your dog's gums More durable than your doggy's other toys! Your pup will be safe because all petprojekt toys are BPA free, cadmium free and lead free! For Small-Medium Dogs (5-50lbs) Has durable ridges that massages teeth and gums Material is 100-percent natural rubber, which is gentle for your dog's gums More durable than your doggy's other toys Your pup will be safe because all petprojekt toys are BPA free, cadmium free and lead free For Small-Medium Dogs (5-50lbs)