1. The two long sides can be rolled up and put down. After being rolled up in summer, it can be ventilated on five sides. In winter, it can be put down to keep warm. It can be used all the year round;
2. The material is 600D Oxford cloth and wear-resistant and scratch resistant breathable mesh, with comfortable velvet cushion at the bottom;
3. Various ways of use: pull rod, belt, shoulder and back, and hand-held;

4. It is equipped with adjustable pull rod and four silent universal wheels, which can be pulled smoothly and can be disassembled;
5. Easy access on three sides, top, front and back;
6. The pulley is a universal wheel, which is easy to install and the trolley box can be folded and stored.