KN95 Masks These are 8 layer filteration with a 99% filter protection. high quality non-woven fabric invisible nose bridge strip high-quality elastic earband Standards support: FFP2, EN149-2001 Also available medical grade disposable masks Medical grade masks developed in strict accordance with mechanical mask standard class 3 Layer masks - First layer / Medical nonwoven Thick soft fiber, good skin-friendly, anti-haze, anti-dust, antibacterial,filter smaller dust The second layer / high filtration low resistance meltblown filter material Fibers can strongly filter particulates such as automobile exhaust, second-hand smoke, dust, haze, pollen, bacteria, etc Third layer / soft skin-friendly non-woven fabric Comfortable, soft and skin-friendly, can effectively block fine dust, thereby effectively reducing bacterial invasion