... (Factory): aperture:2.5x2.5mm weight:43g/m2 white overlocked edge 2.5x2.5 fiberglass mesh(Factory):aperture:2.5x2.5mmweight ... , 4x4mm,5x5mm,10mmx10mmweight:40-160mmcolour: white,blue, green,orange ,etcoverlocked edge, cutting edge(1) High strength mesh,(2) Fire proof mesh.(3) Strong ...