It has an open cut on the back.; The product is throw-covered, removable;90% Polyester,10% Elastane; Model Measurements: Height: 1.76, Bust: 86, Waist: 58, Hips: 89; The product on the mannequin is size S/36.; Soapy after every use Hand wash in 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.