IsoFluid face mask from Crosstex are latex free and made in the USA. Crosstex ear loop masks meets Low (Primary), Moderate and High ASTM* performance classifications, based on: fluid resistance, filtration value, breathability and flammability. These procedure mask are reliable, soft and perfect for clinical exam usage. Ten (10) Boxes of 50 procedure mask per box. Thisi s for a full case, not a single box.