[High Quality Material] The hamster wheel is made of eco-friendly board. Eco board is a healthy PVC board made of wood as raw material. It has the characteristics of waterproof, mothproof, anti-aging, high hardness, not easy to crack and no paint. [Silent Running Wheel] The hamster running wheel bearing is equipped with a silent slider, which is ultra-quiet, does not shake, is efficient and smooth. Even if your pet walks around at night, it will not disturb anyone, which will enrich their night without getting bored. [The Best Hamster Pet Toy] You can put hamster wheels on or off. outside the cage. Pets always need a toy to play with and will have a great time. It can help hamsters have fun and walk around, stay healthy and keep hamsters happy and healthy. [Easy to Install And Clean] Our small diameter hamster sports wheels are designed with detachable waves, which can be easily wiped off with a cloth, allowing your small pets to live more comfortably in a quiet running wheel. [Wide Use] This pet exercise bike promotes the healthy exercise of hamsters, mice, gerbils and other small animals. Suitable for small and medium rodents such as dwarf hamsters, hamsters, octopuses, rats, gerbils, etc.