Mesh: 18x16Dia: 0.011"(0.28mm)Width: 0-108"(0-240cm)Material: fiberglass(30%), PVC coated(70%)Color: grey, charcoal, white, green and so onFlammability: M1/B1 (EU origin) and FR (US origin)Color fastness : 7-8 gradePlain weavedThis standard fiberglass screen is the mesh applied in most window and doors. Easily fabricated, this high-quality standard mesh is the prefered insect screening in the fenestration industry. Used for window screens and screen doors. Uses .011" Diameter threads with 18 threads per inch vertically and 16 threads per inch horizontally.