Buydecorativefilm BDF S4MC Window Film Security and Safety Clear 4 Mil (36in X 12ft) MINIMIZE PROPERTY DAMAGE by absorbing impact from break-in attempts and holding shattered glass together. OUR MOST POPULAR SECURITY FILM with excellent UV rejection and unmatched optical clarity & transparency. 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. Provides clear visibility for rooms that require less view shielding; not intended for privacy purposes. Window film is to be applied on the inside of your window unless specified otherwise. Perfect for ground-level rooms that are easily approachable by unwelcomed passersby.