best material ,highest quality Standard insect screen (mosquito netting) sizes: 14 *14, 16*14, 18*16, 18*18mesh and so on.HL specification Stainless Steel Insect ScreenMeshWire DiameterNote14meshx14mesh0.12mm to 0.30mmWidth:0.6m to 1.5mLength: 15m, 20m, 25m, 30.5m, etc.16meshx14mesh18meshx14mesh16meshx14mesh16meshx16mesh18meshx14mesh18meshx18mesh Stainless Steel Screen