About this item Safe and Sturdy: Made of high quality wood, eco-friendly, non-toxic and harmless to your pet, durable and comfortable.High quality: safety support and closed back prevent your pet from getting stuck, which greatly reduces the risk of injury. The smooth and exquisite craft will not damage them, the widened and thickened wooden base greatly avoids inversion, providing a reliable and stable support for the wheel. Multifunctional: with the small and cute bicycle exercise, you can exercise your pets toes and nails, also a pet chew toy, massage their gums and promote dental health, help your hamster exercise more and develop balance and mobility . Quiet: wooden wheel is smooth and quiet with ball bearing, ergonomic, if pets are playing with this wheel, it wont disturb you, provides a fun place for pets to play and rest. Application: The wooden wheel is ideal for hamsters, pet rats, mice, African rats and hedgehogs and other small furry animals.