The JW® Dogs in Action Rubber Dog Toy is a fun interactive toy satisfying your pet's natural need to chew and exercise its teeth and jaws. This dog toy has a double-helix shape similar to a real molecule of DNA to give the dog more space to chew. Built to last and infused with vanilla extract; this JW dog chew toy is made of 100% non-toxic rubber. Ships in fun assorted colors.PRODUCT NOTE: Every dog plays differently with their toys. No dog toy is truly indestructible. It's always a good idea to keep a close eye on your dog to keep your dog safe. ALWAYS remove the toy from being played with if pieces break off.