Saint Laurent M10 Optical Frame combines a bold flat-top acetate construction with a clean rectangular silhouette for everyday eyewear with a signature statement detail. Key attributes: Black | Acetate | Compatible with prescription lenses | Includes case and cleaning cloth | Flat-top silhouette | Rectangular shape | YSL monogram logo on hinge | Full-rim acetate frame | Dimensions & fit: 52-17-140 | Composition & care: Acetate | Clean lenses with a microfiber cloth; avoid abrasive cleaners and prolonged exposure to heat; store in the provided case when not in use.