This listing is for a Solar Reflective One Way Mirror Glass Window Film Roll. All our window films are self-adhesive film, you can use it in your homes, cars , shops, offices and building windows . The film is a reflective film which allows 20% viewing, reducing the sun glare and reducing the solar rays, acting as a mirror effect. The film will give you 20% light privacy during the daytime as it works on reflection theory of light. The film is very easy to instal. As a solar control window film the reflective surface repels solar heat and glare by over 80% and also stops over 99% of harmful UV rays. It is these rays that cause your furniture to fade.