... screen Mesh /inch: 18*18, 16*16, 18*16 Color: black, grey. Width (inch): 24, 30, 32, 36,48,60,72 ... of shape , long service life and feels straight . The popular carbon makes vision more comfort and natural. It has graceful and ... (mesh /inch): 18*18, 16*16, 18*16 Standard Color: black, grey. Standard Width (inch): 24, 30, 32, 36,48,60 ...