... 3.SGS report 1. item: microfiber cloth,two-side flannel cleaning cloth, lens cleaning cloth, glasses cleaning cloth ... cloth2.function: it used for cleaning glasses,surface of computer,camera,musial instruments,furnitures,mobile phone,jewelery,electronics,digital ... products,promotion gifts,etc3.descriptions:materialtwo-side flannel cleaning cloth,80%polyester&20%nylonweight170,200, ...