This item is a hamster running ball. Made of plastic,no-toxic and harmless. Encourage healthy exercise in a secure and safe way. Relieves boredom and increases activity level and giving your pet a fun spot to play. For hamsters, gerbils, or other small animals._x000D__x000D_Features_x000D__x000D_- Color: As shown._x000D_- Material: Plastic, Metal._x000D_- Size: Approx. 13.5cm in diameter._x000D_- Made of plasticand metal, no-toxic and harmless._x000D_- Encourage healthy exercise in a secure and safe way._x000D_- For hamsters, gerbils, or other small animals._x000D_- Relieves boredom and increases activity level and giving your pet a fun spot to play._x000D_- You can put pet into the running ball, let it play freely, and provide interactive fun for pets and pet owners._x000D_- Warm Tip: Dear buyer, Due to lighting effect,monitor& 39;s brightness,manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. sincerely hope that you can understand Thank you _x000D_Packing List:1 x Running Ball