This pet trolley is lightweight and ventilated. It is designed for small pets like cats, dogs, rabbits, etc. Featuring an all-in-one design, this collapsible trolley can also be used as a pet backpack and a pet hand bag. It will really be a perfect choice for pet owners. This pet trolley is light and well-ventilated, with strong mesh windows on three sides, which makes it a comfortable shelter for your furry friend. The zippered doors can be rolled up or down, which makes it easy for your pet to get in and out. This pet trolley also boasts 2 zippered storage pockets for carrying small items like toys, treats, etc. Made of high-quality metal and fabric, this pet trolley is very durable.