Material:<br> Inner Material: Cotton<br> Outer Material: Polyester<br> <br> NEW Features:<br> - Included: Get 9 Pcs breathable face cover and 9 Pcs Filters.<br> - Design: Has a big chin pocket, perfect fits snug under chin.<br> - Washing Guide: Reusable, easy to care for hand wash and hang to air dry.<br> - Multipurpose: Great for working, shopping, running, climbing and traveling.<br> - Product Size: 5.9*4.3 inches(Folded measurement)<br>