Protect your nose and mouth with this face mask! Each unisex mask includes two PM2.5 carbon filters which need to be replaced after 7 days of use. Mask features valve for easier breathing, adjustable elastic cords that go behind ears, and a nose bridge to help fit to face. 100% cotton. Imported. 5% of net proceeds will be donated to Feeding America for COVID-19 Pandemic relief. Disclaimer: The mask should not be used (1) in any surgical setting or where significant exposure to liquid, bodily or other hazardous fluids, may be expected; (2) in a clinical setting where the infection risk level through inhalation exposure is high; or (3) in the presence of a high intensity heat source or flammable gas. No warranties, either express or implied, that the mask prevents infection or the transmission of viruses or diseases. Don't forget