Bali Women's One Smooth U Ultra Light Illusion Neckline Underwire Bra Outer Cup: 88% Polyester, 12% Spandex; Center Belt Linings: 100% Nylon; Back, Center Belt and Side Sling: 92% Nylon, 8% Spandex; Top Cup: 68% Nylon, 32% Spandex Imported Hook and Eye closure Hand Wash Breathable thin, light weight spacer foam cups with built in sling support for shaping Clean-finished 2 ply back for a smooth look under clothes Sheer illusion neckline for full coverage with a modern look Built up convertible straps with back adjustment