JW? Chompion? Rubber Dog Chew Toy is designed for strong chewers. Chompion Rubber Dog Chew Toy exercises the teeth and jaws as dogs naturally require. The little nubbins on the bone help clean the teeth of plaque before it forms tartar. Not to mention, JW Chompion Rubber Dog Chew Toy is tons of fun! Helps promote healthy teeth and gums. Durable and made of 100% rubber. Ships in random fun assorted colors.