It has an open back cut.; The product is sheathed, removable.; 85% Polyester,15% Elastane; Model Measurements: Height: 1.76, Bust: 86, Waist: 58, Hips: 89; The product on the mannequin is size S/36.; After each use Hand wash in soapy warm water. 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.