【High quality material】 The hamster running ball is made of high quality plastic material, which is lightweight and environmentally friendly, non-toxic, tasteless, wear-resistant and not easy to break, and can be used for a long time. long period. 【Transparent design】 The hamster ball is designed with transparent materials, so that you can clearly see the movement of the hamster in the ball, and you can play with your pet, thus increasing the fun to interact with your pet. 【Easy to use】 The hamster ball is very easy to use. You only need to open the cover once and rotate it left and right. 【Breathable】 The sphere adopts a porous design, which increases the friction in the ball, increases the air circulation and provides a comfortable and breathable environment, so that your little animal can play for a long time. 【Widely Used】 Using a hamster running ball can provide healthy and safe exercise for hamsters and prevent obesity. Suitable for small animals less than 12cm in