What Are Frosted Privacy Films and How Do They Work? Frosted privacy films are thin adhesive sheets applied to glass surfaces. They mimic the look of etched or sandblasted glass, creating a translucent effect that obscures visibility while still allowing natural light to pass through. This makes them ideal for spaces where you want to maintain brightness but reduce direct sightlines. The films are made from durable PVC vinyl materials that can be easily cut to fit any window