The back is normal cut.; The product is a throwaway door, it can be removed.; 80% Polyamide,20% Elastane,; Model Measurements: Height: 1.74 Bust: 88 Waist: 59 Hips: 88; 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.