This three-ply, 100% cotton jersey face mask covers the wearer's nose and mouth. Elastic stretch binding ear loops help hold it in place., Three-ply 100% cotton jersey, Fabric touching skin: 100% cotton, Mask contains silver and copper Three evenly-spaced pleats on each side, 5 masks per pack, Non-returnable, May be used when FDA-cleared masks are unavailable, Not recommended for use in a surgical setting or where significant exposure to liquid bodily or other hazardous fluids may be expected, 500 units per case. 100 inner poly bags of 5 units each., Must be purchased as a case, Non-returnable