Made with three layers of 100% quilting-weigh cotton fabric. The face mask includes a filter pocket located in the pleats in the back of the mask for a filter of your choice. Masks are available with elastic head loops, adjustable elastic ear loops and twill straps, and also has a bendable aluminum nose piece which helps to make a better seal over the wearers face. Machine wash and dry after each use. 7” H x 7.5” W.