Two layers of black cotton fabric. Has opening to insert a filter or other mask if you want. Has a wire sewn in to shape around the your nose. Masks now have flat elastic with a knot to adjust for fit. Regular size is 9 inches long, 4 inches wide folded, XL is 10 inches long, both stretch to 8 inches. Youth is 8 1/2 inches long and 3 1/2 wide, stretches to 7 inches. Machine washable/dryable. If you want more than one of the exact same item, I have to make the bundle, leave me a comment.(08080)