Window films are thin layers of material applied to the interior or exterior of glass surfaces. They can be made from various materials, including polyester and vinyl, and come in different shades and thicknesses. These films serve multiple purposes, such as reducing glare, blocking harmful ultraviolet (UV) rays, and enhancing privacy. In addition to their protective qualities, window films can improve energy efficiency by regulating indoor temperatures. By reflecting heat in the summer and retaining warmth in the winter, they help reduce energy costs. Overall, window films are a practical solution for enhancing comfort and safety in homes and buildings.