This is the classic face mask with all the finest materials and excellent design you expect. They are very comfortable, effective, and affordable. Just right for all types of medical practices, industry, individual health, and home arts and crafts. These work well for everything from surgery to painting to avoiding pollens. Many homes keep a box handy to use whenever needed. They are standard in most healthcare facilities to prevent the spread of germs and infection by both patients and personnel. They are breathable and hypo-allergenic for an excellent experience. One size fits most men and women.