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 4-ounce, 100% cotton jersey 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 Not recommended for use in a surgical setting or where significant exposure to liquid bodily or other hazardous fluids may be expected Machine washable