Saint Laurent Backless Mini Dress pairs a structured round-neck silhouette with a dramatic diamond-cut open back and an adjustable crystal-set buckle belt, designed for evening and special occasions. Key attributes: Black | Acetate and Viscose | Adjustable and removable belt with crystal-set oval buckle | Button closure at the back neck | Concealed zip closure with hook-and-eye safety at the back skirt | Round neck | Long sleeves | Diamond-cut open back | Padded shoulders | Mini length | Dimensions & fit: Regular fit | Model is 1,70 m and wears size 36 | Composition & care: Outer: 53% acetate, 47% viscose | Lining: 100% viscose | Dry clean only.