A treasure trove of chewing! A unique bone shape and durable KONG Extreme Rubber satisfies and rewards natural chewing instincts while providing a long-lasting solution that keeps dogs engaged. Stuff KONG Extreme Goodie Ribbon?s four spaces with treats and the Goodie Gripper? ridges inside will make getting the nibbles out a mentally challenging puzzle for dogs. Ideal for stuffing with KONG Easy Treat, KONG Snacks or a dog?s favorite kibble.