It has an open back cut.; The product is covered with underwire, it can be removed.; 100% Polyamide; Model measurements: height: 1.76, bust: 86 waist: 58, hip: 89; The product on the mannequin is size S/36.; After each use, in warm soapy water Hand wash. Do not use bleach and detergent. Do not keep the swimsuit in a wet, airless, closed, plastic bag. Lay it on the reverse and dry it in the shade. Fluorescent colors fade in the sun, chlorinated water and sun oil will spoil your swimsuit.