Dog Toy -Hamster Running Wheel Exerciser Running Exercise Small Animal Toy Colorful Highlights Brand Generic Hamster Running Wheel Exerciser Running Exerciser Toy Small Animal Colorful Description: Safe, non-toxic, eco-friendly, eco-friendly, waterproof, protective, high hardness. Adopting silent rolling, does not affect the owner's sleep. Running wheel can be tied in a cage, also can be installed on the bracket to use. Suitable for hamsters, mice, gerbils and other small animals. Great gifts for your lovely pet to play and exercise. Specification: Material: Wood+Plastic Size(DxW): Approx.15x7.3cm/5.91x2.87inch Package includes: 1 Piece Hamster Exercise Toy Note: Due to the light and screen setting difference, the the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.