Specifics Condition: 100% brand new Color: Random Material: Plastic Diameter: 17.2cm / 6.77inch Features: Running wheel can be attached in a cage, can also be installed on the bracket to use Rotary medial lateral trample slightly convex, effectively increase the friction, prevent slippage The circular edge design, anti bite More sturdy thickening roulette, effectively balance rotational speed Detachable design makes assembly easier Non-toxic plastic and super mute bearing Adopt super silent 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, mouse and other small animals Package Includes: 1x Hamster Silent Exercise Running Wheel
