1.Medical mask for evaluating the bacterial filtration effiency.for hospital,industry and persons who are concerned about personal hygiene
2.Five layer structure: non-woven fabric to prevent dust, peculiar smell and harmful particles; heat sealing cotton to strengthen the filtration of fine particles ; melt blown cloth effectively filters 95% of bacteria ; Skin friendly non-woven fabric moisture-proof and breathable
3. Elastic headband Enhances the facial fit . Prevents the ears from swelling caused by long time wearing.
4.The way to wear the mask