BDF EXS15 EXTERIOR Window Film Privacy and Sun Control Silver 15, Dark - 48in X 7ft EXCELLENT DAYTIME PRIVACY. Provides great intended privacy during daytime only; the mirror-effect is reversed at night since the interior will be exposed to more light than the exterior. The side with the most light will have the mirror-like appearance. FILM APPLIED ON THE OUTSIDE. It rejects heat by reflecting a lot of the solar energy out before it can even pass through the window. 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. Turn off ignition. If old lift support has a window defogger electrical connector, carefully disconnect the fittings. Before removing old lift supports, examine any hardware provided to determine which components must be reused. Work on lift supports one at a time and do not remove both lift supports at the same time. Replace one, then remove and replace the second one. The new lift support must be installed in the same position as the old one which was removed, unless otherwise instructed. Do not nick or scratch chrome rod. Compare the end connectors of your lift support to the illustrations provided and see additional instructions below.