Vanity Fair Women's Beautiful Benefits Back Smoothing Bra 75011 100% Spandex Back: 75% Nylon, 25% Spandex Cups: 85% Nylon, 15% Spandex, excluding trim Power band wings for smoothing under clothes Built-up straps for support and comfort For best results hand launder and drip dry. Wash dark colors separately. Do not use bleach. Do not iron.