SOLYX: Blackout Black opaque polyester. 1.5 mil film. Very easy to install because it is thinnethan otheblackout films. 100% light block. This film is not recommended foinstallation onto double insulated glass units that are exposed to direct sunlight. Glass breakage may occudue to heat absorption! Priced perunning meter. Ordethe length (quantity) needed x 152cm wide.