The KONG Classic is the ultimate dog toy which, for over forty years, has become the essential reference for dogs around the world. KONG Classic Red's unique 100% natural rubber formula is extremely durable and its amazing bounce is ideal for dogs who love to chew while satisfying their innate need to play. It helps satisfy the natural instinct needs of dogs by providing them with a real challenge. Want to extend gaming sessions? Make sure to stuff the toy with appetizing dog kibble and a dash of peanut butter. Increase the challenge by adding KONG Snacks and KONG Easy Treat dough on top.