6 Layer masks Non woven fabric and melt blown layer BFE >= 97% Ideal for Medical & Civil purpose Washable/Reusable Product Layers: - SS MMS Nonwoven - 50GSM - Melt blown fabric - 25GSM - Hot Air Through Nonwoven - 40GSM - Melt blown fabric - 25GSM - Spunbond Nonwoven - 30GSM - Skin friendly Super Soft Nonwoven (Cottony Feel Soft Nonwoven) - 25GSM
