ZippyPaws Mice N Cheese with 3 Mice, Hide and Seek Plush Dog Toy, Plus 3 Extra Mice Refills ZippyPaws Mice N Cheese with 3 Mice, Plus 3 Extra Mice Refills Interactive puzzle toy challenges your dog Comes with 3 squeaky mice, Great for small and medium-sized dogs Cheese Block size: 7 x 7 x 3.5 Inch