The Crinkly-Crunchy Water Bottle toy is made with a heavy duty 100% rubber shell outside to protect dog's teeth and gums, and an empty water-bottle inside for that irresistible crinkly-crunchy sound and feel that drives dogs wild. This product is available in assorted styles/colors. Please visit your nearest Murdoch's Ranch & Home Supply store location for available styles. | Ruff Dawg Crink-it-Crunchy Water Bottle Dog Toy Assorted | Size XL