【Environmentally friendly materials】: Select high-quality environmentally friendly plastic materials to better protect the health of pets. 【Hollow runner】: The hollow design on one side of the running wheel makes the running wheel more breathable and allows hamsters to do aerobic exercise. 【Non-slip pattern design】: Non-slip pattern design on the inner side of the running wheel, which can effectively prevent your hamster from slipping due to inertia while running. 【Seamless Running Wheel】: There is no gap in the main body of running wheel to prevent hamsters from pinching their feet when moving. 【Quiet Toys】: Pets can also play happily at night. Let your pets enjoy a happy life!
