Closed cut at the back.; 80% Polyamide,20% Elastane; Measurements of the model: height: 1.76, bust: 86 waist: 58, hips: 89; The product on the mannequin is size S/36.; Hand wash in warm soapy water after each use. Do not bleach. Do not use detergents or detergents. 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.