BDF BLKT Window Film Blackout Privacy (12in X 49ft) TOTAL AND COMPLETE DARKNESS that blacks out your windows to let absolutely no light through. EXCELLENT 24/7 PRIVACY for rooms that require absolute view-shielding, making it perfect if you don't want anyone to see through your window or glass partition. 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. NOT RECOMMENDED for DUAL PANE WINDOWS. 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. This window film is NOT SUITABLE FOR DUAL PANE GLASS. Window film is to be applied on the inside of your window unless specified otherwise. Perfect for living arrangements where you want to black out your window for maximum sunlight rejection.