Specification 3PlyProtection ColorFull Madeofhighqualitynon-woven fabric Noseclipforasecurefit HighqualityfiltrationEarstringsforusercomfort Design3D 5Pcs,10Pcs Specification 4PlyProtection ColorFull Madeofhighqualitynon-wovenfabric Noseclipforasecurefit Highqualityfiltration Earstringsforusercomfort Design3D 20Pcs