Heat Insulation: Our window mirror film also cuts out 90% of heat and 99% of sunlight. By reflecting most of the sunlight, the solar film provides a comfortable temperature for your rooms Privacy Protection: One-way window film and mirror effect protect your privacy during the day. The lighter side does not easily see the smaller side. In the evening if the interior is brighter than the exterior, remember to close the curtain at night. Easy to use: You can easily put the window film on your window with enough water. With water and a small scraper or a credit card, in just a few minutes, you can install this window film wellRemember to tear off the protective film, otherwise the film will fall off Material Safety : our window film is made of PET material, this material is suitable for many smooth surfaces, such as windows, plastic metal surfaces, etc. Good Performance: Window mirror film Excellent thermal insulation, with anti-scratch layer on the surface, resist friction, still do not fade; at the same time, the light translucency is very good, suitable window tint, available for office, commercial, restaurant, school, home, car, etc.