BDF AG4M Window Film Graffiti Protection 4 Mil Clear (24in X 14ft) MINIMIZE PROPERTY DAMAGE by adding a sacrificial layer for protection against vandalism and scratches. APPLIED ON THE OUTSIDE of the window. EXCELLENT UV REJECTION with unmatched optical clarity & transparency. Reduces fading of interior furnitures caused by the sun. STRONG ADHESIVES to last many years. For easier installation, remember to use A LOT of soap/water mixture to soak both the adhesive side and window. HIGH QUALITY PERFORMANCE films that are sensitive by nature. Please remember to take caution when handling the film as the slightest fold will create a permanent wrinkle. FREE TOOLS AND EASY INSTALLATION GUIDE to make installation DIY-friendly. Make sure window surface is completely clean and absolutely free of any blemishes.