Product Description : ASTM Tested, FDA 510(k), CE Price of product ( USD price or FOB price) : "10,000-99,999: $0.42 100,000-249,999:$0.38 250,000-499,999: $0.36 500,000+: Contact" Product origin : China Minimum Order Size and Packgaing details : 100,000 units (50 masks/box)