BDF NSN70 Window Film Transparent Ultra High Heat Rejection & UV Cut NSN 70 (Very Light) - 36in X 24ft TOP OF THE LINE window film that is both durable and scratch resistant. EXCELLENT HEAT REJECTION. Helps reduce cooling costs especially during the summer through effective blocking of harmful solar rays. Also, minimizes fading on furnishings 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. The light, metallic shade will give the window a slightly reflective look on a very sunny day. Appears almost clear; not intended for privacy purposes. Provides clear visibility for rooms that require less view shielding. Window film is to be applied on the inside of your window unless specified otherwise. Perfect for rooms that do not have direct sunlight exposure to keep temperatures at a minimum.