Window screen is made of fiber-glass under the process unifilar plastic-coating, ... 32, 36,48,60,72 It is made of fiber-glass under the process unifilar plastic-coating, plain weaving, ... . It has graceful and generous appearance, application for all sorts of airy in salvation and preventing ... etc.Usage: mainly used in windows, corridors, doors for the purpose against mosquito, insects, bugs, and other ...