Face Masks by Tush & Bush (non-medical). Comfortable snug fit using soft stretchy viscose from bamboo (same as the underwear) known to be an antimicrobial fabric, these masks are less irritating to our skin. Designed to contour the face and sit under your chin. Double layered. You can wear these for hours if need be. Small fits kids, medium an average size women’s head, and large for those with larger heads or men.