Saint Laurent M124 OPT is an acetate optical frame from Saint Laurent, designed for everyday prescription wear with a clean squared silhouette and refined hinge detail. Key attributes: Black | Black transparent | Acetate | Prescription-ready frame | Compatible with prescription lenses | Includes Saint Laurent branded case | Rectangle full-rim frame | Monogram hinge detail | Dimensions & fit: Lens width: 49 mm | Lens height: 42 mm | Bridge width: 22 mm | Temple length: 145 mm | Frame size 49-22-145 | Composition & care: Acetate | Clean lenses with a microfiber cloth; gently wash frame with mild soap and water and dry with a soft cloth; avoid harsh chemicals and store in the supplied case.