... .Material:nylon, plastic,stainless steel wire,fiberglass,plastic(PVC coated)Type:galvanized wire,fiberglass window screen;stainless steel window screen.2.Usage ... 14 mesh, 16mesh x 14mesh, 16mesh x 16mesh, 18mesh x 16mesh, 18mesh x 18mesh, 18mesh x 14mesh4.Fiberglass screen features: The fiberglass insect ... "16 x 16 1x25M18 x 18 1.2x25M Alkali Resistant Fiberglass Mesh(manufacturer)