It has a closed cut at the back.; 80% Polyamide, 20% Elastane; Model Measurements: Height: 174cm(68in) Bust: 88cm(34in) Waist: 59cm(23in) Hips: 88cm(34in); The product on the model is size S/36/8. .;; Hand wash in warm, soapy water after each use. Do not use bleach or detergents. Do not leave your swimsuit waiting in a wet, stuffy, closed, plastic bag. Lay it upside down and dry it in the shade. Fluorescent colors will fade in the sun, chlorinated water and sun oil will ruin your swimsuit.