Dog Toy -Hamster Exercise Rolling Wheel Highlights Generic Brand Hamster Exercise Rolling Wheel Details Condition: 100% brand new Color: Random Material: Plastic Diameter: 17.2cm/6.77inch Features: Running wheel can be fixed in a cage, can also be installed on the bracket to use Rotating side medial slightly convex tread, effectively increase friction, prevent slipping Circular edge design, anti bite More sturdy thickening caster, effectively balance the rotation speed Detachable design facilitates Non-toxic plastic and super-mute bearing Adopt super-quiet bearing, does not affect the owner 's sleep Provide your small pet with a safe environment in which to exercise and play Ideal for hamster, gerbil, a mice and other small animals Package include: 1x Silent Hamster Wheel exercise Running