The JW® Hol-ee Roller® is a fun; versatile dog toy with the durability you've been searching for. Rubber gives it strength; bounce; and a soft texture The unique open design allows you to stash small treats or kibble inside for hours of entertainment for your dog. This is the top-selling dog toy in the line; it is non-toxic; durable; rubber and super-stretchy. A do-it-all multipurpose dog toy! It's a fantastic treat ball; wonderful training aid; great for fetch; toss; and tug; chewing; and teething. Ships in random fun assorted colors.PRODUCT NOTE: For supervised play only. Know your dog and choose the appropriate size and type of toy to prevent choking or other harm. Inspect this toy regularly; if the toy is damaged or if parts become separated; remove the toy and parts as injury may result. Not a child's toy.