Our company produce high quality KN95 face masks and our face masks have been proved by FDA and TMC. Our face masks are made out of high-density non-woven fabric with 5 layers. And have 3D three-dimensional design with fluffy, breathable and soft, will not cause the fog when wearing glasses, our face masks also have adjustable nose bridge and elastic earloop has enough elasticity to make a good seal. Our face masks can provide multilayer protection, can filter out dust, germs, smoke, pollution and almost 95% particles in the air.