Reebok Women's Vanishing Light One Piece Swimsuit 80% Nylon, 20% Spandex Imported Hand Wash Resists chlorine, last longer than ordinary spandex Antimicrobial silver lining each swimsuit embodies unique properties that help create a bacteriostatic environment, making it very difficult for bacteria and other microorganisms to grow Silver power net lining, anti bounce bra, surround support, tummy control