Adult face masks are breathable and washable. Each mask is made of 100% cotton and is moisture wicking. Masks measure 7"W x 5"H and have a 7" extendable ear loop and a 3 1/2" bendable nose wire for added structure and stability. 3-ply cotton constuction, these are 100% reusable/washable. Masks are machine washable, but need to air dry. Do not use bleach when washing. Up to 20 washes.