JW Pet Hol-ee Mol-ee Extreme Dog Toy is designed for tough dogs and tough chewers. Take JW Pet s best-selling Hol-ee Roller, find a way to make it even stronger and you have The Hol-ee Mol-ee. The concept is a natural rubber ball thatGÇÖs extra-sturdy, extra-durable with multiple openings for treats. For the toughest chewers who also canGÇÖt resist goodies you place inside. Available in assorted colors.