Face Mask, 3 ply is made of Polypropylene Spunbond and Meltblown nonwoven fabrics with adjustable nose strip and flat or round elastic ear - loop to give basic protection to the user. It's mainly used in medical, dental, cleanroom, critical environment, food handling/production and industrial manufacturing. Specifications 1st layer : Polypropylene Spunbond nonwoven 2nd layer : Meltblown Nonwoven 3rd layer : Polypropylene Spunbond nonwoven Nose strip : PE wire (Metal Free) Ear-Loop : Flat elastic or round elastic (latex free) Benefit and standards BFE (Bacterial Filtration Efficiency) 99% (tested by Nelson lab) Excellent breath ability Non irritating, fiber glass free fabric Non-woven spunbond 100% Polyplopylene Hypoallergenic Splash resistant Comply with EN 14683, ISO 9001 and 14001 Ultrasonic welding manufacturing process Hygienic