This 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 F D A-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.