Description: The transparent design allows you to observe the pet's movement. And this hamster wheel is easy to install or disassemble. You can install it on the side of the bracket or cage. This hamster wheel is super silent and will not disturb your sleep when the hamster is playing at night. It can encourage your pets to move around more and eliminate boredom. Made of plastic material, it is strong, durable, and bite-resistant. The hamster wheel comes with diameter of 12cm or 14cm. Suitable for small pets, such as hamsters, guinea pigs, ground squirrels, etc. Item Name: Hamster Wheel Material: Plastic Features: Free Lifting, Adjustable Height, Mute Design Size Details: Style A/B/C Diameter: 12cm/4.72" (Approx.) Style D/E/F Diameter: 14cm/5.51" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. This product does not come with a bracket and can be hung on a cage. Package Includes: 1 x Hamster Wheel