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-beingDetachable 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. Size - Please note the size is 5.5 Inches. Small size for small hamsters, gerbils, chinchilla, hedgehog or mice and other small pet. Please make sure the size is fit your pet before purchaing it.