Anti-UV Thermal Insulation: Our mirror window film also blocks 90% of heat and 99% of UV. By reflecting most of the sun's rays, the solar film provides a comfortable temperature for your rooms. Privacy Protection: The one-way window film and mirror effect protect your privacy during the day. The lighter side can't easily see the darker side. In the evening, if the inside is brighter than the outside, remember to close the curtain at night. Easy to Use: You can easily apply the window film to your window with enough water. With water and a small scraper or credit card, in a few minutes, you can install this window film well (Remember to tear off the protective film, otherwise the film will fall off) Safety Material: Our window film is made of PET material, this material is suitable for many smooth surfaces, such as window, plastic metal surface, etc. Good Performance: Mirror Window Film Excellent thermal insulation, with anti-scratch layer on the surface, resists friction, does not