Plastic Pet Exercise Ball Animals Mice Hamster Gerbil Safe Jogging Play Cage Description: Provides hours of active fun for your small animal Ideal for hamsters, gerbils, mice, or other small animal This ball allows the Hamster to mix play and exercise, making it more enjoyable for the Hamster and more motivated to keep in good shape. This product is designed to screw-fix together which makes it stronger then conventional play balls and is suitable for Hamsters, and other small animal Material: Plastic Size: Approx. 18.5 cm Package Included: 1 x Plastic Pet Exercise Ball