*Disclaimer: 100% Cotton. This mask is not cleared or approved by the U.S. Food and Drug Administration or other governmental or regulatory agencies. Face masks have not been shown to be effective in preventing the transmission of viruses or bacteria. This mask contains an anti-microbial fabric treatment, but this anti-microbial fabric is not designed or intended to prevent the transmission of viruses or bacteria to or from the user. The anti-microbial fabric helps inhibit the growth of bacteria to help keep the product clean. These masks are not suitable for use in a surgical or medical setting or where there would be significant exposure to liquid, bodily or hazardous fluids or use in a clinical, healthcare setting. Do not use in the presence of a high intensity heat source or flammable gas.