Window film is a thin layer of material applied to the interior or exterior of glass surfaces, such as windows in homes, cars, and commercial buildings. It serves various purposes, including reducing glare, blocking harmful ultraviolet (UV) rays, and enhancing privacy. There are different types of window films, including reflective, tinted, and clear options. Reflective films can help keep interiors cooler by reflecting sunlight, while tinted films can reduce visibility from the outside. Clear films offer protection without altering the appearance of the glass, making them a popular choice for those seeking subtle enhancements.