●Non-slip Design: The non-slip design makes it safe for your hamster to run, and it is easy to install and clean. You can always keep it clean ●Size: 7.1 x 4.7 inches (18 x 12Ideal playground for small animals ●【High Quality Material】: Environmental protection material plastic. The gentle material is not only non-toxic but also safe and durable. The mounting part is made of rust-resistant stainless steel. Will not fall off even after frequent use ●Scope of application: Suitable for small animals. You can see a cute and energetic figure ●Silent Design: The silent design is absolutely perfect for nocturnal hamsters, and it can feed your hamster at home or school