This comfortable, easy-to-wear face mask is made from 100% cotton jersey knit. The antimicrobial finish is AMB-10 (a mixture of silver and copper) that keeps the fabric fresh and lasts up to 20 washes. Not intended for medical use or as Personal Protective Equipment (PPE). Not recommended for use in a surgical setting or where significant exposure to bodily fluids or other hazardous fluids may be expected. Machine wash separately. Tumble dry low.