ZippyPaws Burrow Shark 'n Ship with 3 Sharks, Plus 3 Extra Refill Sharks ZippyPaws Burrow Shark 'n Ship with 3 Sharks, Plus 3 Extra Refill Sharks Use as replacements for any ZippyPaws interactive Burrow toys Also great as stand-alone toys for small dogs Inside: 1 squeaker per toy Product Dimensions: 7.5 x 7 x 4.5 inches