Our two-ply comfort face mask, 95% polyester/5% spandex/100% cotton, covers the wearer's nose and mouth. The adjustable ear loops and central pleat help to fit the mask comfortably in place. This mask is machine washable and non-returnable. We do not recommend use of this product in a surgical setting or where significant exposure to liquid, bodily or other hazardous fluids may be expected and where the infection risk level through inhalation exposure is high.. A 50 piece minimum is required and