Disposable face mask 1.Surgical nonwoven 2.high filtration face mask, 3.with ties, 2 or 3 plies, 4.easy to use Face Mask ... Advantages :1)disposable ,single -use 2)economical ,light ,environment ... coughingAdd information :surgical nonwoven high filtration face mask ,with ties ,3plies or 2 plies .nose bridge,suitable for oral ,dental procedures and ...