A Treasure Trove Of Chewing! Stuff Kong Goodie Ribbon&Rsquo;S Four Spaces With Treats And The Goodie Gripper Ridges Inside Make Getting The Nibbles Out A Mentally Challenging Puzzle For Dogs. Durable Kong Classic Rubber Satisfies Natural Chewing Instincts While Providing A Durable Solution That Keeps Dogs Engaged. Ideal For Stuffing With Kong Easy Treat, Kong Snacks Of A Dog&Rsquo;S Favorite Kibble.