FFP2 Protective Face Mask has 5 layers. First layer——Polypropylene spun-bonded non-woven fabric Second layer——Polypropylene melt-blown non-woven fabric Third layer——Polypropylene melt-blown non-woven fabric Forth layer——polyethylene-Polyethylene terephthalate air-blown non-woven fabric Fifth layer——Polypropylene spun-bonded non-woven fabric Others: Nose clip——Polyethylene and iron wire Rubber bands——Nylon / Polyurethane composites