The JW Tug-ee Spring 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, this JW dog chew toy is made of 100% non-toxic rubber. Ships in fun assorted colors. Dimensions: 3.5" x 2"