This small pet racing wheel is made of quality plastic, which is lightweight but sturdy and durable. The transparent texture allows you to visualize the movements of pets Super mute so it won't disturb your sleep when the hamster is playing at night Can be mounted on a stand or on the side of the cage Easy to mount or detach with attached mounting wheel, easy to clean Encourage your pet to move more and banish boredom Features: 1. The transparent texture makes it possible to visualize the movements of the animal 2. Encourage your pet to move more and banish boredom 3. Easy to mount or detach with the attachment wheel attached, easy to clean 4. Can be mounted on a stand or on the side of the cage 5. Super mute so as not to disturb your sleep when the hamster is playing at night 6. Suitable for small animals, such as hamster, guinea pig, chinchilla, etc. Specifications: Item Type: Hamster Racing Wheel Condition: Brand Material: Plastic Product size: Diameter: 12cm /4.7in Width: 6cm /2.4in Color: Blue