This 3D privacy window film changes colors by natrual lights when see outwards, especially in the morning and when sunset.
The film is made of 2 layers, including back film and patterned film.
1.Clean the inner side of window glass .
2.Cut the film to a reasonable length to fit the window, usually a little bid larger than the window.
3.Spray some water on the window glass, take off the back film and stick the film on the innerside of window glass.
4.scrape the bubbles out.
5.Cut off the edges by a blade.