1, Automatically rolling: roll up or down with the window glass automatically. The sunshade hook is attached to the window glasses, then the sunshade fabric will roll up when then the glass is up and the fabric will roll into the aluminum tube automatically when the glass is down .
2, uni-directional ray transportation: Maofeng polyester fabric have the function to restrict light from outside, from outside people can not see the inside, but according to pinhole imaging theory, , people from inside can see the outside clearly. This function give the modern busy people enough privacy spaces while keep the driving safe.
3,sunshine protecting: Polyester imported from USA can effectively filter the Ultraviolet rays and restrict the sunshine accessing, this can save the air-conditioner energy about 60% and aslo prolong the life of decorations inside .