The All Living Things Flying Saucer Wheel has landed in your home to provide exercise and entertainment to your chinchilla or rat. The solid surface is safe for their tiny toes and slim tails allowing them to run a muck! The virtually silent operation keeps them healthy, happy and entertained. Only at PetSmart. Features: Virtually silent Includes: 1 - Flying Saucer Wheel Intended For: Chinchillas and rats Activity: Exercise and entertainment Pet Size: Small Color: Assorted Colors, Please Let Us Choose For You Material: Plastic Dimensions: 12 in (30.4 cm) Diameter Caution: Intended for small pets only. This is not a toy. Contains small parts. Keep out of reach of children. Always select the appropriate size and type of item for your specific pet. Be sure to observe your pet's behavior with a new item. Remove and replace the item if it becomes damaged.