Silent exercise wheel for small rodents Silent exercise wheel with stand 100% safe model Easy to attach to cage Ideal activity Suitable for hamsters, mice, rats, degus and gerbils Size: 12cm, Color: Blue This duvoplus silent exercise wheel is 100% safe for small rodents such as hamsters, mice and gerbils. The wheel has an adjustable stand but it can also be attached to the cage. This is a great, playful way to ensure that your pet stays fit and an ideal activity for your pet! Fun guaranteed. To prevent injury, make sure you choose the correct size of wheel for your pet.