BrightSight is composed of a special mixture of mild cleaning ingredients based on alcohol and is the first cleaning system for projection screens which is both effective and safe. Simply spray a small amount of BrightSight on to the screen. Clean horizontally with a clean cloth and you're done. BrightSight offers ideal protection for every valuable projection screen fabric. With BrightSight, Projecta offers a unique cleaning solution to extend the life of each projection screen. Make sure the material is dry before storing or retracting the surface.