... *37*31.5cmfeatures: BFE>99%,conforms to international standard: EN1492001, FFP1, FFP2.FFP3, CEO194, NIOSH N95,High filtration efficiencyProtection from pollen, dust ... Sample Available Customization:AvailableDispoaable non-woven 3ply face mask,safe,comfort ,highly breathable,odorlessPP+MB+PP,with ties,9.3*18cmPacking ...