It has an open back cut.; 90% Polyester, 10% Elastane; Dimensions of the model: height: 1.74, bust: 88, waist: 59, hip: 88; The product on the mannequin is size S/36.; Wash by hand in warm soapy water after each use. 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 will fade in the sun, chlorinated water and sun oil will spoil your swimsuit.