This Marines face mask is designed to reduce the spread of vapor droplets expelled during sneezing and coughing. The outside layer is polyester knit and the inner layer is made of a fine cotton for all day comfort. Elastic loops hold the face mask in place. The mask is machine washable on cold gentle cycle with mild detergent and tumble dry low heat. Not a FDA approved surgical mask and is not rated for any ASTM level of protection. Intended for general public use only, per CDC guidelines.