While maintaining the brightness and can capture sufficient natural sunlight into the room, it blocks the line of sight from the outside. Protect properly the importance of privacy. During the day, at the same time it reflects the empty like a mirror when viewed from the outside, and taking advantage of the high blindfold effect. When viewed from the room, appeared in a transparent sheet of dark blue, without compromising the field of vision, feel free to look at the outside of the landscape. Glass windows of homes, offices, conference rooms, it is very applicable to blindfold decoration, such as office.