This 3-ply Cotton face mask serves as a physical barrier, designed to help protect you from dust, germs, infectious disease and those around you from any of your personal moisture droplets. Designed for breathable comfort with its ergonomic seam on the front and adjustable nose wire for a tighter fit. A one-size-fits-most design with two adjustable ear straps and features an adjustable bead that slides to easily change length. Each includes a filter pocket on the back to allow for insertion of an optional 5-layer carbon filter which enhances the masks protective qualities with filtration of allergens, pollen, smoke, dust, fumes, chemicals, etc. Filters sold separately. Our cotton reusable face mask is ideal for long term daily use and machine washable without shrinkage or color fading.