GOOD FOR HEALTH: Hamsters are very fond of exercise, and staying in a cage for a long time is not good for their health; this hamster toy can maintain pets' agility, prevent obesity and keep them healthyhealth and assets. It also provides lots of fun for hamsters, relieves boredom and stress, and maintains mental health. HIGH-QUALITY PLASTIC MATERIAL: The hamster fitness ball is made of high-quality plastic material, which is beautiful and durable, and the sturdy design provides a reliable position and support when running ora walk. game. Place for fun. COMFORTABLE HAMSTER WHEEL: The diameter of the silent hamster wheel is 13cm/5.11inch. The reasonable size and the wide track provide a relaxed back feeling, because they don't need to bend their backs when running, which makes them feelallows enjoying endless running time and helping them exercise their muscles, keeping them happy and mentally healthy. NON-SLIP AND QUIET DESIGN: The aerodynamic design reduces wind resistance and allows the wheels to turn more easily. Silent rotating hedgehog wheel brings endless running happiness to your little pet.Even if your hamster runs on the track and the hamster wheel spins, it will also bring you a quiet night. EASY TO CLEAN: The rotating drum of the hamster wheel is made of translucent material, which is easier to observe pets. It is easier to clean than wood. Please wipe it with a clean damp cloth ifnecessary. Suitable for small pets such as hamsters, gerbils, chinchillas, hedgehogs or mice. Please make sure the size is suitable for your pet before purchasing. Specification: Condition: 100% Brand New material: plastic Size: (approx) Diameter: 13cm/5.11inch