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 petsSuper mute so it won't disturb your sleep when the hamster is playing at nightCan be mounted on a stand or on the side of the cageEasy to mount or detach with attached mounting wheel, easy to cleanEncourage your pet to move more and banish boredomFeatures:1. The transparent texture makes it possible to visualize the movements of the animal2. Encourage your pet to move more and banish boredom3. Easy to mount or detach with the attachment wheel attached, easy to clean4. Can be mounted on a stand or on the side of the cage5. Super mute so as not to disturb your sleep when the hamster is playing at night6. Suitable for small animals, such as hamster, guinea pig, chinchilla, etc.Specifications:Item Type: Hamster Racing WheelMaterial: PlasticProduct size:Diameter: 12cm /4.7inWidth: 6cm /2.4inColor: Blue