microfiber cloths(for glasses) 1) polyester and nylon, soft and no scratch 2) no fiber off 3) superior water absorption Microfiber cloth,for cleaning ... /m2,20cm x 20cm,high density and high shrinking knittingusage: for clearning furnitures, cars, glasses, etc...Feature & Function1, comprised of 100 ... cleans, wipes faster, without streaks or even chemicals Safest towel for all surfaces.