[Function and Fun]: Our hamster exercise ball is suitable for all small hamsters, mice, etc. Hamster movement is not limited to the cage. You can put the hamster in the exercise ball and let the hamster move freely in a larger and more free space. At the same time, through the transparent ball, the process of hamster playing can be observed more clearly [SAFE & NATURAL] The hamster running ball is made of high-quality materials, non-toxic, tasteless, and has a long service life. Harmless to your pet's health. Packing List1 hamster fitness ball [Perfect for Hamsters] With our sports running ball, hamsters can vent their energy and avoid obesity. And this running ball is small and portable, allowing small pets to go out and enjoy the blue sky and white clouds ] Imagine your adorable baby running in our fitness ball, playing and sleeping comfortably and happily. She also has a lot of fun and pretty toys. You'll always have your camera ready to capture those perfect moments and post them to Instagram