Large Size Plastic Flying Saucer Small Pet Exercise Wheel; Totally toe and tail safe exercise wheel; Quiet Motion; Small Pets love the solid running surface; Fun colors; Available in 12-inch; Measures 12-inch Width by 12-inch Depth by 7 – 1/2-inch Height; 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 12 Width x 12 Depth x 7.5 Height