Playtex Women's Plus Size Seamless 100% Nylon bras closure Outer cup, Back: 77% Nylon, 23% Spandex. Cup lining: 100% Polyester. Foam cup: 100% Polyurethane. Center lining: 100% Nylon. Exclusive of other trim and elastics. Micro thin stretch foam cups with hidden shaper side panels provide beautiful curves without adding bulky volume Lush seamless floral jacquard fabric provides beautiful feminine accents Pretty satin stay-put straps that angle inward at back to prevent sliding Hand wash cold water with like colors. Only non chlorine bleach when needed. Line dry. Do Not Iron.