The JW® Hol-ee Roller® is a fun, versatile dog toy that lets dogs play in multiple ways! Made from soft, stretchy rubber, the JW Hol-ee Roller features a unique open design that lets pet parents insert treats, kibble, other small toys, ice cubes, or whatever else you can think of to create a mentally challenging puzzle treat experience for their dogs. Available in a variety of sizes, the Hol-ee Roller can be used as a training aid or for fetch, toss, tugging, and puzzle treat time. Ships in assorted colors.