Features: Hamster running toy small pet roller ferret exercise ball transparent play wheel pet hamster car rolling pet ball funny animal wheel portable pet exercise hamster toy ball small pet spinners Transparent & Breathable Design: Features a clear, see-through shell that allows owners to monitors their pet's movement, while ventilation holes ensure optimals airflow for comfort Portable & Lightweight: Its compact and lightweight design makes it easy to transport, allowing pets to enjoy their exercise time anywhere, whether at home or the go Stable & Smooth-Rolling: Designed with a sturdy structure and smooth-rolling mechanics, allowing pets to move freely without tipping over, ensuring a stable and enjoyable experience Versatile for Small Pets: Suitable for hamsters, ferrets, gerbils, and other small animals, this fun pet running ball promotes exercise, exploration, and interactive play Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Material: PP Package List: 1X Exercise Wheel for Hamsters