The KONG Stuff-A-Ball ™ provides support for your dog's chewing behavior. Made of KONG Classic rubber, this ball satisfies the instinctive need for chewing by soothing pain in the teeth and gums. KONG Denta-Ridges ™ turn this game into a playful challenge that delivers rewards. To extend the playing time, fill it with KONG Snacks ™ and KONG Easy Treat ™. Proudly made in the USA.