Description: Brand new and high quality. Wonderful Your pet can enjoy every moment of excising to drive all bored feeling away. Practical Exercise Wheel- Avoids your pet becoming overweight or obese so as to keep it healthy. Suitable for hamsters mice gerbils or other small animals. Material: Diameter: approx. 11.5cm/4.53inch depth: approx. 4.5cm/1.77inch Package Includes: 1 piece running with accessories Note: Since the size above is measured by hand the size of the actual item could be slightly different from the size Dueto the lighting effects monitor settings etc. There could be someslight difference in the color of the pictures and the actual item.