The car roof box provide extra storage space for a car.Especially in bad weather,It can protect the luggage well.Made of ABS plastic,in the popular shape and curve,It looks to be a part of the car.With a lowered base for reducing air resistance, wind noice and vibrations.Equipped with the Fast-Grip quick-mount solution. with all fitting done from inside the box.This roofbox has several locking points,and the key can't be removed unless it is locked well. This model had become the most selling roof box in China All Types Available