Saint Laurent SL M142/F Optical Frame is a slim acetate eyeglass with a soft rectangular silhouette and a subtle monogram hinge — designed for everyday prescription wear and refined styling. Key attributes: Black | Acetate | Prescription-ready frame | Supplied with original Saint Laurent case and cleaning cloth | Small soft rectangular shape | Thin full-acetate construction | Small monogram hinge on both sides | Dimensions & fit: Lens width: 54 mm | Bridge width: 17 mm | Temple length: 145 mm | Composition & care: Acetate | Wipe lenses with the included microfiber cloth and store in the supplied case when not in use.