Description It is well-made of plastic material, no odor, safe for pet use. Bite-resistance and wear-resistant design achieve reliable support when running or walking, durable to use. Not easy to break or deform, long-serving life. A fun exercise wheel for small pets, like hamsters, squirrels, hedgehogs, etc. Features -Material:Plastic.-Size: About15.00X15.00X12.50cm/ 5.89X5.89X4.91in.- Work out time would bring them more joy, and they would become healthier.- Entertainment, decompression and exercise for small pets, fun companion toy for your small pets when they are alone.- Give your lovely small pets a good opportunity to play and exercise, keep them from being too bored.- Quiet spinner for small pet to run, will not make any noise to disturb your sleep at the night.- It is ideal for hamster, squirrel, hedgehog, and other small pets. Funny running wheel toy, your pet will love it. Packing list: 1 x Hamster Exercise Wheel