1.fiberglass insect mesh is made of  fiberglass and PVC.

2.window screen  has many good properties such as texture uniformity and smooth, resistance of acid, alkali and other chemical corrosion, light aging resistance, climate resistance; high tensile intensity; dustproof, flame proof, preventing burning, prevent sunlight and ultraviolet rays, adumbral and heat insulation; low coefficient of heat expansion and cold shrinkage, non-displacement of warp and weft, beautiful and long life, and easy washing.