Bali Women's One Smooth U Ultra Light Illusion-Neckline Underwire Bra Outer Cup: 91% Polyester, 9% Spandex; Center Belt Linings: 100% Nylon; Back, Center Belt, Side Sling: 92% Nylon, 8% Spandex; Top Cup: 68% Nylon, 32% Spandex Imported Hook and Eye closure Machine Wash Full-coverage contour bra featuring two-part underwire cups with mesh insets and angled seams;Inner side-support slings lift and shape;Adjustable crisscross backstraps Double back hook-and-eye closure