MaterialPolypropylene, Acrylic ColorBlue Target SpeciesGuinea Pig, Mouse, Gerbil, Hamster, Chinchilla Silent 4.7 Inch Hamster Wheel - Silent spinner hedgehog wheel brings your little pet endless running happiness, also brings you a quiet night even if your hamster on the race track to run & hamster wheel is spinning. Hamster cage accessories - Your furry critter will love this hamster wheel Toy and it helps them to broken boredom & enrich their nighttime, also keep them to exercise for maintaining their strength and well-being Detachable Design - Detachable Design makes the chinchilla running wheel assembly easy, safe wheel for pet's toes and tails. Easy to Clean & Nice Gift Choice - The spinning drum of the hamster wheel is made with Acrylic material, it's easy to clean than wooden, please use a neat wet cloth to wipe it when needed. Also, it's a good gift choice for your family member/friends'pets