Fabric: Sequin Lining: Nylon-Spandex The SIRENA bikini is composed of a luxe copper sequin and white Nylon-Spandex Tricot. The pull over bandeaux features elastic at the hems, and the low-rise bottoms have elastic at the waist both for best fit and support. Both items are lined in nylon fabric for ultimate comfort. Made in America Made of 100% repurposed fabrics from our fabric archives! Made to order - Please allow up to one week for delivery.