The hamster wheel is made of plastic, strong, lightweight, durable, non-toxic, resistant to bite, wear and tear and has a long service life. Easy Install: It can be easily installed on the side of the cage, or it can be placed inside through a bracket, the bearing marks the square on the red mark, then tighten the nut and hang it on the cage.Unique Design: The seamless design of the hamster wheel's three-point buckle is more secure and stable. Side-pedaling inside the wheel effectively increases friction. The thickened wheel wall design effectively balances speed. Quiet Rotation: The hamster wheel can attract pets to play for a long time. Designed for quiet rotation. It encourages your pet to get hours of healthy exercise and entertainment. Super quiet, hamsters play at night and will not affect owner's sleep. Widely Used: Suitable for small and medium sized animals. It is an ideal choice for chinchillas, pet rats or other small animals, and provides a safe place for small pets for their recreation and entertainment. Product material: plastic Product size: 12cm running wheel 3 Package List: 1pcs * Hamster Exercise Wheel