JW Hol-ee Bone Dog Toy. Inspired by the popular JW® Hol-ee Roller, the Hol-ee® Bone features a patented natural rubber design that stands up to tough play. The super stretchy non-toxic rubber is a great treat toy training aid or for tug, toss, fetch, or chew. Holds a variety of treats or plush toys. Entertaining and Enriching: This puzzle and chew toy help keep your dog entertained and provides essential mental stimulation; Natural rubber is gentle on your dog's gums as they chew and teeth. Made from durable natural, non-toxic rubber Works great as a fetch, chew, and treat toy Stuff with treats for added fun Gentle on your dog's mouth Great for teething puppies or dogs that like to chew 6" L x 1" W x 2.8" H