About this item High quality material: Hamster Fitness Ball is made of brand new PC material, which is non-toxic and tasteless. There are multiple vents on the sphere, which is safe and breathable. Hamsters can play for a long time. Transparent design: The transparent design makes your hamster clearly visible when it moves, and you can play with your pet for more fun. Easy to Install: The Transparent Hamster Ball adopts interlocking design, which can be shaped with light pressure, and is easy to install. Leisure and fitness: When pets are bored, give them a fun place to play. Our ball also can be a good place to keep your hamsters when cleaning them. Let hamsters, mice and other small animals exercise in a safe and fun way, and increase interactive fun for pets and pet owners. Widely Used: This Hamster Exercise Ball is perfect for hamsters, pet rats or other small animals.