This mask is made using 4 layers of cloth that has rights so that it gives a comfortable impression when used. the cloth has passed a test on the skin so that even if it is used for a long time the skin will still be safe and feel comfortable. The noseband material used is a special material that does not rust easily and is able to block the air that has not been filtered by a mask. The ear straps are comfortable to use using a design that is tailored to the contours of the face. So it is very comfortable and fit when used.