Running Wheel 
Overall size: 18 x18x 11cm
material: plastic
Product Category: Hamster Supplies
features:
Not only can it play the role of exercise, making the hamster healthier, but also make the hamster happier. Provide beautiful decoration for your cage.
Packing list:
1 x Running Wheel 
Note:
Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. 
Manual measuring,please allow 1~3mm error,thank you.