Color as shown Size: 14 x 14 cm Weight: 100 grams Make Hamster Happy: The hamster ball is a perfect toy to make your hamster happy, the hamster is bored in the cage for a long time, with this exercise ball, the hamster will be able to in Running and playing ball freely, he will become more active and exercise enough, which can make him healthier. If you have any questions about the product, please feel free to contact us. Material safe and durable: the hamster exercise ball is made of high quality PVC, tasteless, non-toxic, fine workmanship, the construction is sturdy and unbreakable, the surface and edges are finely crafted, the air circulation is good, the hamster’s health will be improved not affected. You can use it with confidence.Transparent design: the gerbil ball is transparent, you can observe the state of the gerbil anytime, anywhere. You can also play with your gerbil in the set and train it to run and change direction better. It can well improve the interaction between you