For some people who like to travel or go out, how to place the large or long items that cannot fit in the car has always been a problem. The roof sounds like a nice place, but it is not easy to go there, so you need this multi-functional foldable roof in one step, a small thing will shorten the distance between you and the roof. You only need to take a step, you can easily put things on the roof or remove things from the roof, you can even clean the roof, practical and easy to use.