Fancy-fix Vinyl Self Adhesive Heat Control Daytime Privacy Mirror Sliver Window Film Tinting for Bedroom Living Room Sliding Door Decorative 24in by 15ft Daytime Privacy : Provides 100% daytime privacy,but not night privacy Energy Efficient: Save money on electricity bill by reflecting sun rays in summer and keeping warm inside in winter Affordable: Inexpensive alternative to those costly heat-reflective glass windows Technical Data: Visible Light Transmission 13%,UV Rejection 98%,Infrared Rejection 89% Roll in 24 inches by 15 feet Clean your window thoroughly Measure the size of your window both width &amp; length Cut film into proper size , approximately 1 inch larger than the window Wet the window completely Peel off the backing clear protective film gently Position the film against the window and use your finger to press across the entire top of the film to allow it grip slightly Smooth out the film with the squeegee, make sure no air bubbles left inside Dry off your window with the rag entirely, cut the excessive bit slowly.