The new hol-ee treat ball from jw pet rolls, slides, rotates and out come the treats. Our top selling hol-ee roller ball turned into an even more challenging playful learning activity. The hol-ee roller truly does it all. Unscrew cap, place treats or kibble inside of treat tube, screw cap closed. As the dog interacts with the toy the treat tube and inner ball move from side to side dispensing treats. Watch your dog play and learn. Easy and simple to use and fun and entertaining for long term play. For use with a wide variety of kibble and treats. Dog tested and approved.