Specification:14 mesh, 16 mesh, 18 mesh, 24 mesh, 28 mesh Width:0.7m 0.8m 0.9m 1.0m, 1.2m, 1.5m Material:stainless steel,Al-My alloy, plastic, fiberglass,pvc coated steel window screen' Usage: Widely used in hotels and buildings to prevent insects and bugs from enterning.