Material:aluminium alloy wire. Mesh:12x12,14x14,16x16,18x18,18x16,etc Wire ... coated and other surface treatment.Common specification: ColorTex/strandAmount/inchWidth (inch) cmGrey/Black30/118X1618X16243032364860726176.281.2891.44121.92152.4182.88Grey/Black30 ... .4182.88White/Grey30/118X1618X16243032364860726176.281.2891.44121.92152.4182.88 Aluminium Window Screen