1.KN95 face mask is made of spunbonded non woven fabric and meltblown non woven fabric. 2.It can be used in protect face from the dust,water and bacteria. 3.Conforms to international standard. 4. Low breathing resistance with high filtration efficiency. 5. With multi-layered non-poisonous, non-allergic, non-stimulating materials. Product NameKn95 Protective Face Mask ColorWhite MaterialNon-woven fabric outer Electrostatic filter cotton BFEabove 95%-99% FunctionAnti-pollution,Anti-particle,Anti influenza,Anti haze,dust-free,etc. Applicationdaily use,hospital, laboratory,food industry,dust free workshop,electronic manufacturers,etc. StandardGB2626-2006KN95Kn95 Respirators price website:http://www.cnprotective.com/face-masks/kn95-respirators/