Gateway Safety 80202V SaniFold Vented N95 Particulate Hygienically-Sealed Respirator (Box of 20) Foldable design is ideal for easy carrying and storage Large, flexible shell creates an "air pocket" that makes breathing easier Ultra-soft polypropylene lining provides superior comfort NIOSH approved N95 level protection 95 percent filtration against particulate aerosols free of oils below the PEL