General description This 40×300CM Privacy Window Film features a one-way mirror effect that provides privacy during the day while allowing clear visibility from the inside. It effectively blocks prying eyes, ensuring your private life remains undisturbed. However, please note that at night, the effect reverses, making the interior visible if the lights are on, so it is advisable to use curtains for added privacy. Technical specifications Dimensions: 40×300 CM UV Block: 99% Infrared Block: 85% Installation Simple installation process. Remove the transparent protective film before application. Thoroughly wet the window and the film before applying. Use a squeegee to remove air bubbles. Note: Bubbles will dissipate over time. Pay close attention to measurements, especially width. Usage This window film not only enhances privacy but also protects against heat and UV rays, helping to keep your home cooler in summer and preventing furniture discoloration. It allows for comfortable lighting,