Although it was possible to reposition easily in accordance with the orientation of the sun in the explanation, it is impossible. I do not hear what you say because the film is thin and has no stiffness but strong adhesion. If the air remains between the window, it is very ugly, so you need to spray the water and do the same construction as a regular film. However, if you scrub with a spatula, you get scarred, so I think the surface is soft. In this case it is better to buy ordinary clear film by taking out about 1000 yen.