The KONG Biscuit Ball™ is a unique treat dispensing dog toy with a hollow center and four bone-shaped portals equipped to hold delicious bits of a dog’s favorite kibble or treat. Made from the KONG Classic unique natural red rubber formula this durable, unpredictable bouncy toy is fun to chew, chase and fetch providing long-lasting engaging playtime fun. Want to extend play time? Be sure to stuff with KONG Snacks™ and a bit of KONG Easy Treat™ to add to the fun.* Patented durable KONG Red Rubber toy that has four bone-shaped stuffable holes to extend playtime* Increase the challenge by stuffing the ball in multiple locations with KONG Easy Treat™ and Snacks™* Made in the USA. Globally Sourced Materials.