Anti-UV Energy Saving: Retain heat in winter and keep it out in summer. INSULATION: Reduces heat transmission and blocks 90% of UV rays, minimizes fading of upholstery caused by the sun. Easy to use: Very easy to apply with water and a small scraper or credit card. More water results in better application. Leaves no residue after removal and the film can be reused. Non-Adhesive: The electrostatic window film contains no glue, reduces the release of chemicals, and leaves the glass surface smooth without marks or streaks. Privacy Protection: The window film provides privacy while allowing light to enter. Multi-Applicable: Designed for smooth glass surfaces, suitable for various locations including bathroom windows, sliding doors, glass cabinets, offices, kitchens, balconies, bathrooms, dining rooms, and more.