Handmade, high-quality construction - Reusable (machine wash cold after every use, reshape & lay flat to dry, warm iron pleats) - Elastic ear loops (1/4" white, braided elastic) - 3-ply 100% quilting cotton (featured print on front, random coordinating print on back) - One size fits most adults (8" x 3" and expands to 8"x 6") - Pocket for filter These masks are not FDA Approved. Please note these are not a replacement for medical grade N95 masks or PPE, but are meant to bridge the gap.