Pet Rodent Mice Jogging Hamster Gerbil Rat Toy Plastic Exercise Ball Lovely We don t offer the choice of color and style we will send the product at random，hope you can understand Feature: Material: Plastic Color: Pink Blue Green Doors unlock by twisting anti-clockwise. 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 Size:Diameter: 10cm Package Content: 1PC Pet Rodent Mice Jogging Hamster Gerbil Rat Toy Plastic Exercise Ball Lovely