Vinyl coated fiberglass yarn insect screen Coated yarn insect screen is made of fiberglass under the process unifilar plastic-coating, plain weaving, and high temperature-fixing. It is well ventilate, well transparent, easy washing, anticorrosive, resistance to burn, strong-tensile force, not out of shape, long service life and feels straight. The popular carbon makes vision more comfort and natural. It has graceful and generous appearance, application for all sorts of airy in salvation and preventing insect and mosquito. It's widely used in construction, orchard, ranch etc.