Running Spinning Toy : Stimulate the pet's interest in sports, let your pet have toys in the cage, can pass the boring time, also play the role of exercise, avoid pet bite cage, do damage in the cage, let the pet grow up healthy and happy. Hamster wheel 8 inch: The material of the product is ecological board, which is a kind of PVC healthy board made of wood. It is waterproof, moth proof, anti-aging, high hardness, not easy to crack, no paint and so on. Easy to assemble : The hamster sports wheel toy is unassembled, which can bring you the fun of DIY. It is easy to assemble, giving you a sense of accomplishment in covering your hamster with a new home. Quiet Hamster Exercise Wheel : 100% silent rotation, no noise. The wheel rolled smoothly and noiselessly. It is also very comfortable for pets to run on. Solid Widened Base: The track of our wheels is wider than other wheels on the market, fat mice can also use it, suitable for many small animals, such as Syrian hamsters, dwarf hamsters, gerbils, mice, hedgehogs, chinchillas, guinea pigs, ferrets, mice.