Item Specifications: Item Weight 110g/, 3.88ounce, 18*12*14 cm/7.08*4.72*1.57 inch Unlike other squeaky and noisy exercise wheels, our hamster spinning wheel is ultra-silent. You?ll not be disturbed by any noise! Our hamster flying saucer wheel with ultra-quiet design, and smooth intimated edge of running wheels, Suitable for small animals, such as hamster, chinchilla, gerbil, rat, chipmunk, squirrel, guinea pig and so on. FLYING SAUCER EXERCISE WHEEL Our hamster spinning wheel is ultra-silent. You will not be disturbed by any noise! Our hamster flying saucer wheel with ultra-quiet design, and smooth intimated edge of running wheels, Suitable for small animals, such as hamster, chinchilla, gerbil, rat, chipmunk, squirrel, guinea pig and so on.