KN95 Face Masks help reduce the transmission of viruses and bacteria. Tight fitting masks, designed to create a facial seal Provide a good two way protection, by filtering both inflow and outflow of air These are designed protect the wearer (when worn properly), up to the safety rating of the mask KN95 Mask features Not made with natural rubber latex 3d Shape Malleable aluminum nose wire Box of 20 Substitution & Product Changes From time to time some of our items are discontinued or not available. When this occurs, we reserve the right to substitute an item of equal or better quality.