Product Description ASTM Tested, FDA 510(k), CE Price of product ( USD price or FOB price) : "10,000-99,999: $0.33 100,000-249,999:$0.30 250,000-499,999: $0.27 500,000+: Contact" Product origin : China Minimum Order Size and Packgaing details : 100,000 units (50 masks/box)