The JW® Hol-ee Roller is the classic do-it-all Puzzle Ball that comes in multiple sizes. Enrich playtime by stuffing with toys, treats to help develop problem-solving skills or get active with tugging, tossing, and rolling. Perfect for both indoor and outdoor play, the roller makes a great fetch toy and is gentle on surfaces. Any way to play, it's a brain-teasing good time! This chew and puzzle toy helps keep your dog entertained and provides essential mental stimulation; Made with a super stretchy natural rubber that is gentle on your dog's gums as they chew and teethe.