... mask, 3ply, earloop made by auto-machine, clear and beautiful suit for daily, security and hygienism protection ... non-woven face mask with earloop, 3-ply, made by ... length x width) After user wear face mask, the face mask can cover nose, mouth and lower jaw ... effect: Pacterial Filtration Efficiency (PFE) of face mask can reach to 95%.8. Gas exchange: The ...