Ware Manufacturing Flying Saucer Exercise Wheel for Small Pets, 5-Inch - Colors may vary Totally toe and tail safe exercise wheel Small pets love the unique solid running surface and owners love the super silent spinner! Provides an out of this world running experience Your Pet Will Love to Run on The Flying Saucer Exercise Wheel Solid Running Surface is Great for Small Pets Completely Safe for Your Pets Tail and Feet Promotes Exercise Leading to a Happy and Healthy Pet Pet Owners Love the Quiet Spinning Operation Measures 5" Width X 5" Depth X 3.5" Height