Port Authority Cotton Knit Face Mask (5 Pack). PAMASK05This three-ply, 100% cotton jersey face mask covers the wearer's nose and mouth. Elastic stretch binding ear loops help hold it comfortably in place., Fabric touching skin: 100% cotton, Mask contains silver and copper, Three evenly-spaced pleats on each side, May be used when FDA-cleared masks are unavailable, Machine washable, 5 masks per pack, Non-returnable, Not recommended for use in a surgical setting or where significant exposure to liquid, bodily or other hazardous fluids may be expected and where the infection risk level through inhalation exposure is high.