Saint Laurent M147 Optical Frame pairs a classic black acetate silhouette with prescription-ready demo lenses. The understated design makes it a versatile everyday frame. Key attributes: Black | Black Black Transparent | Acetate | Demo lenses included | Prescription-ready | Includes original case and cleaning cloth | Prescription-ready frame | Full-rim acetate frame | Monogram hinge | Dimensions & fit: Lens width: 52 mm | Bridge width: 21 mm | Temple length: 145 mm | International fit | Composition & care: Acetate | Clean lenses with a soft, dry cloth; store in the supplied case.