Facemask w/ valve

If MASKS Work,,,,Let’s invest on it ........ Female & Male facemask 4 layers washable/ reusable masks: 2 layers of non-woven fabric/& or Cotton 1 layer of antibacterial fabric 1 layer of breathing fabric/ air valve with filter Handwash #All items are on hand #Designs: Plain & Printed (on hand) #Colors Available: Pink green beige gray black