... you away from the dust and virus Disposable nonwoven gauze mask keeps you away from the dust and virus Specification:1 ... ), Materials: non-woven with earloop, apply to:swine flu, H1N1.2),Size ... .5x9.5cm(for children use); 12x7cm(for baby use).3), Non-woven with air permiability, middle plyer with charcoal filter of ...