Non-medical masks for daily use.Antibacterial and dustproof non-surgical protective cover3-layer protective non-woven fabric. The specially designed middle filter layer is made of ultra-fine polypropylene fiber melted cloth for maximum antibacterial protection, fluid resistance and dust particles prevention.These masks have been approved by the FDA CE and can be safely and routinely adjusted in a non-medical environmentIdeal for any situation where you may be in close with others, including essential business work or travel, shopping for groceries or medicines, providing care for vulnerable groups or going to any public place.Each box includes 50 masks.