Classic Breathable, Washable and Reusable Floral Face Masks for Adults. These are breathable, 3 layered for extra protection and comfort (an extra layer could be added with PM2.5 filters), 100% cotton, nose wire and adjustable elastic earl oops. It can protect from pollen, haze, vehicle exhaust, smoke, etc. It’s ideal for living or travelling to areas with high air pollution/smoke levels.