These American-made, double knit masks are made from lightweight 14.9 oz., 100% polyester and feature moisture-wicking properties. They feature two ear holes to accommodate various face shapes and sizes. They are also washable, reusable and adjustable to fit over N95 masks. Great for businesses, hospital staff and more! The masks are packed in packs of 20. Box of 400 (20 packs of 20 pieces). Customize each one with a brand name or logo using one of our imprint methods!