roll up window screen 1.mesh size:14x14,16x16,18x16,etc 2. ... : black,gray,white,etc 3.weight:120g/m2 4.ISO9001 Roll up window screen 1.Material: Fiberglass, PVC 2.Weave: interweave 3 ... buildings, residential and all kinds of architectural, animal farms, orchard roll up invisible window screen