Dog Toy -Silent Chinchilla Hamster Exercise Exercise Wheel Toys Random Color l Highlights Generic Brand Silent Chinchilla Hamster Exercise Exercise Wheel Toys Random Color l Description: Specially designed for silent rolling, does not affect sleep of the owner. Made from high quality plastic, strong and durable enough to support your pet's weight. Provide your small pet with a safe environment in which to exercise and play. Suitable for hamsters, mice, gerbils or other small animals. Note: the color will be sent randomly, please make sure you don't mind before you buy. specification: Material: Plastic Color: random Size L: Diameter: Approx.14cm/5.51inch; Inner Diameter: 11.8cm/4.65inch; Height: Approx.7cm/2.76inch Size S: Diameter: Approx.12cm/4.72inch; Inner Diameter: 10cm/3.94inch; Height: Approx.6cm/2.36inch Package Include: 1 Piece Hamster Exercise Toy Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.