... 2.a one-time non-woven two-layer mask 3.using PP spunbond non-woven fabric Non- ... woven mask color: white, blue. greenSize:17.5cmX9.5cm, ... , comfortable wear.According to the production of different weight and color Suited to electronic manufactures, restaurants,food processing, school ... drug makers, factory, cleaning,etc. public environments. Non-woven face mask