Nonwoven face mask 1,Material:nonwoven 2,Color:blue,white,etc. 3,Usage:medical,workshop,etc. 4,Certificate:FDA,CE,etc. Nonwoven face mask Nonwoven face mask usageONLYEST nonwoven face mask are widely used in hospital, hotel, dustproof place, food/electronic/chemical workshop,etc. Nonwoven face mask specificationMaterial : PP, 16-60gsmLayer:1-ply,2-ply,3-ply,4-plySize: 17.5*9.5cm/14.5*9.5cm/12.5* ...