Bali Women's Passion for Comfort Shaping Underwire Bra Cup, Back: 78% Nylon, 22% Spandex; Center Belt Lining: 100% Nylon; Center Belt, Side Back: 100% Polyester; Cup Lining: 69% Nylon, 31% Spandex Imported Hook and Eye closure Hand Wash Extra support and shaping without added bulk Sleek out fabric cup for a smooth look under clothes Comfort U back design