Thermal Insulation: Our window mirror film also cuts 90% of heat and 99% of sunlight. By reflecting most sunlight, the solar film provides a comfortable temperature for your rooms Privacy ProtectionThe one-way window film and the mirror effect that protect your privacy during the day . The lighter side does not easily see the lesser 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 put the window film on your window with enough water. With water and a small scraper or credit card, in a few minutes you can install this window film wellRemember to tear off the protective film, otherwise the film will fall off Material SafetyOur window film is made of PET material, this material is suitable for many smooth surfaces, such as window, plastic metal surface, etc. Good performance: Window Mirror Film Excellent thermal insulation, with anti-scratch layer on the surface, resist friction, not fade yet; at the same time, light translucency is very good, suitable home window tint, available for office, commercial, restaurant, school, home, car, etc.