KN94 KOREAN LIBANGSHUN FACE MASK TYPE OF NURSING(FISH) LIBANGSHUN FACEMASK IS A LOOSE-FITTING, DISPOSABLE DEVICE THAT CREATES A PHYSICAL BARRIER BETWEEN THE MOUTH ANG NOSEOF THE WEARER AND POTENTIAL CONTAMINANTS IN THE IMMEDIATE ENVIRONMENT. MATERIAL:NON-WOVEN FABRIC, THERMAL INSULATION COTTON BRAND:LIBANGSHU WEIGHT:6G MASK COLOR: WHITE,BLACK AND GRAY QUANTITY:5PCS/PACK