The KONG Stuff-A-Ball helps support your dogs' chewing behavior. Made from the KONG Classic rubber, this ball fulfills instinctual needs to chew while cleaning teeth and gums. KONG Denta-Ridges turn this toy into a fun treat dispensing challenge. To extend playtime stuff with KONG Snacks and KONG Easy Treat. Covered by KONG Satisfaction Guarantee. See KONG Satisfaction Guarantee document below for full details.