Floating rubber and water-bottle retrieving toy features the crinkly-crunchy sound and feel dogs love! Made with a durable, solid, FDA-approved rubber shell encasing an empty water bottle. Dogs get all the long-lasting crunching they love without harming their mouth. Water bottle is replaceable and recyclable. Regular measures 5.5"L, designed for small to medium dogs; X-Large measures 9.5"L, designed for medium to large dogs. Assorted high-visibility, neon colors.