Medtex Fabric Mask, Seer Sucker Model (Wrinkle-Free, No-Iron)Medtex Seer Sucker Fabric Mask (1 Piece) Coolmax fabric technology allows for easy breathing and is lightweight. T400 fibers provide a cool and comfortable feeling. The fabric is more rigid than cotton muslin, so it holds its shape better and is wrinkle resistant, requiring no ironing. Easy to breathe through the unique 2 layer fabric structure of Medtex. Reduces dirt accumulation with its 3 pleat design. The outer layer is made from high quality