Woven vinyl-coated fiberglass for reducing solar heat gain and glare. Sun control insect screening products absorb and dissipate 70% of the sun's heat and glare before it reaches the window or door glass. Helps keep living spaces cooler and helps reduce energy costs and protects furnishings against fading. Also protects against insects and offers good outward visibility. GREENGUARD certified. Easily installed on any type and size of window.