1/material: Al wire,Al-Mg alloy wire 2/mesh:16x16,18x16,18x18 Contact me " placemat88(at) ... dot)com", Skype: felix88-chan , Mobile:+86-13958505030 . Specificationsaluminium screen Material: aluminiu Weaving: Plain weave wire gauge :SWG31,SWG32,SWG33 ... good corrosion resistance and rust resistanceApplication: Against flies and mosquito, machinery protection, ventilation material and receiving signals.