<b>3 layers of protection</b><br> 3-layers layers of filtration, with a melt-blown polypropylene filtration layer.<br><br> <b>Hidden Nose Strips</b><br> Built-in Nose Strip support helps create fit and structure around Nose as needed.<br><br> <b>Better Protection</b><br> Great protection for everyday use, such as going to work, grocery store or any other activity that requires masks for protection