Enviroguard Washable Cotton Blend Face Mask - Case of 600Description These 3 layer masks provide superior protection with a design that meets CDC recommendations for face coverings in public settings or essential business. This mask covers the mouth, nose, and chin with a soft, cotton polyester blend material for comfort and safety over long hours. A water resistant outer layer combined with two inner layers of antibacterial protection helps prevent the growth and spread of bacteria. Better yet, nanomesh