Exercise is good for help and greatly to extend the healthy lifestyle. Running wheel would help hamster for stretching muscle while the fully enclosed running wheel can help prevent feet pinched during using it. The inside of the wheel disc has anti-skid pattern effectively increase the friction between the leg and disc to prevent running in the slippery phenomenon. It is bright in color, wearable, resistant to bite with environmentally friendly and non-toxic plastic, safe for small animal to use. The use of high-quality shaft made of steel material to prevent rupture and quiet shaft make it suitable to place at living room even though in the rest room without annoying. Two way to use, either with the provided stand or fix on the wire net.