Virtually clear appearance. Scratch resistant. UV Window Film helps to protect against harmful UV rays by blocking up to 98%. UV Window Film will help reduce the amount of harmful UV rays that enter through a window, while also offering a thin layer of protection against broken glass. The UV Window Film is compatible with standard clear residential windows, including single-pane, dual-pane, and removable storm windows. Width: 30 in Length: Dependent Upon Length Desired. To order required length, please, put the number of yards needed in the quantity box. You will receive film in one continuous roll; the length of the roll will be equal the number of yards put in the quantity box. Select a Gila Application Kit for easy installation and maintenance. For installation instructions click on the image or this link. Performance Data for Window Film. Important Note: Do not apply Window Film to plastic or plexiglass surfaces, motor vehicle windows, frosted, etched, leaded, cracked, holed, deeply scratched glass.