Hanes Women's Seamless Cup And Center Belt And Back And Side Frame: 82% Nylon/18% Spandex; Cup Lining: 100% Polyester; Center Belt And Side Frame Linings: 100% Nylon; Back Lining: 61% Spandex/39% Nylon Imported Hook and Eye closure Hand Wash No-slip back holds bra in place Built-in Hanes petal concealers give you the coverage you want Lift, shaping and support that looks natural Ultra-thin, foam cups give you a sleek and smooth appearance, and keep bra from showing through clothing TAGLESS bra for all-day comfort