【High-quality material】: The hamster wheel is made of high-quality transparent plastic, non-slip design, sturdy in use, not easy to damage, wear-resistant, the bearing has a good quiet effect, long lifespan and safe for your pet 【Quiet Design】: This hamster wheel is designed with ball bearings, it will bring your pet endless happiness and also bring you a quiet night even if your hamster is on the running track 【Product diameter】: the diameter of the hamster exercise wheels is 17cm, the running drum reasonable size and the wide running track brings a relaxed feeling to the back, because they don’t need to bend their back when running, allowing them to enjoy their endless running time, help them build their own muscles, keep happy and mental wellbeing 【Easy to insta 【】: Detachable design for easy assembly, can be easily and safely mounted on the side of the hamster cage. (Stand not included) 【Easy to clean】: The body of the hamster exercise wheel can be washed with water, you can