Fiberglass screening is constructed of vinyl-coated fiberglass yarns. With its strong, long lasting and not easily damaged makes fiberglass inscect screen the “carefree screening”. Fiberglass screening is available in a choice of several meshes and colors. It is the original equipment on many windows, particularly those windows which have "half-screens," and on many storm windows. xinqinye fiberglass screening is also the ideal choice for large patio enclosures and for pool enclosures.