【Prevent prying eyes】This anti-spy film offers a very clear view from inside during the day and a good mirror effect from outside, so no one can access your privacy. (Note: In the evening, the function is reversed: it's dark outside, and when the light is on, the mirror effect is inside, while we become visible to passersby from outside. Therefore, you will need to provide curtains.) 【Heat Protection and Anti-UV】This mirrored window film allows you to block 99% of UV rays and 85% of infrared rays. Heat penetration is reduced, preventing rooms from overheating in the summer, keeping the house cooler, and preventing furniture from fading. 【Protection from Sun Rays】The one-way mirror film also lets in less sunlight, partly because the room is less bright (so pay attention to the blackout effect). In summer, you can work and watch movies more effectively in pleasant light. 【Easy to Remove】 The one-way film is made of high-quality materials and is securely attached to prevent splashing in