... cleaning cloth:1.Material: 30%polyester,70%viscose, or 20%polyester/80%viscose, or 100%viscose,any is available2.weight: 35~160gsm3 ... Any size and weight and package are available, we provide OEM service FEATURES:1)long lasting2)soft & strong3)quick drying4)no bleach ... any size and weight and package are available, we provide OEM service FEATURES:1)long lasting2)soft & strong3)quick drying4)no bleach ...