This face masks provide nose and mouth protection against dust, pollen, bacteria and more. Made from Spunbound Polypropylene (SPP) with adjustable nose strip and round elastic ear loop to give protection to the user. Made by Ultrasonic welding technology which provides strong bonding of mask & earloop. BFE/PFE: 90 % Categories: Covid-19 (Coronavirus), Face Masks & Dust Mask, Respiratory Protection