Characteristics: 1, High density of mesh, 2000openings per 100 cm2. Can effectively prevent broken stones and bricks, with much better safety function compared with products of its kind. 2, Special woven and knotted methods are adopted to ensure a strong knot without sliding; well-maintaining opening sizes; durable for use, cost economically. 3, Good ventilation and lighting to achieve closed working. Size: Length at 1.8m, width of 6m, area of 10.8 square meter.