Non-woven ear-loop face mask diposable,3ply,with or without filter layer dustproof,Bird flu prevention 1.face mask(1ply,2ply,3ply,4ply) 2.BFE>99 ... 5.Have CE;Nelson CertificateNon Woven Face Mask is made by non woven polypropylene spunbond fabric with earloop or tie on.Non Woven Face Mask is made by polypropylene ... FITTING7. PACKING: 50PCS/BOX, 2000PCS/CTN.8. Ply Type:3Ply Non-woven ear-loop face mask