... effective to protect high risk persons, available masks including:disposable paper mask,2-ply by sewing, elastic earloop, white1-ply by sewing ... by microwave conglutinant, elastic earloop, size:175*95, color:white,green,light blue.3-Ply non-woven by sewing, elastic ... woven by microwave conglutinant, elastic earloop, size:175*95, color:white,green,light blue3-Ply children,non-woven by sewing, elastic ...