... and BFE>95% CE, ISO13485 certification activated carton face mask with ear-loop, 4-ply, made of ... bar: 10.5cmThe nose bar is plastic material coated metal band (also have all plastic material), which can ... about 16cm.5. Skin irritation:The material of face mask is soft, without odor and without skin ... Liquid barrier:Surface anti-wet: the surface of face mask is not stick water.7. Filtering effect:PFE ...