["Our hamster exercise saucers are made of plastic sturdy and durable. The surfaces non-slip design allows the hamster to run at full speed. This is a must-have for happy hamsters" Quiet smooth spinning and easy to run on. Even if your hamster runs on the exercise wheel at night it also bring you a quiet night Hamster flying saucer encourage your animals to exercise and keep them healthy and happy Perfect size for dwarf hamsters mice gerbils and other similar sized pets. It allows them to run comfortably without bending their spine 7.1" diameter and 4.7" height. Multiple colors available]
