Saint Laurent Optical Frame features a classic round acetate design crafted for everyday wear and to accommodate prescription lenses. Key attributes: Black | Acetate | Prescription-ready frame | Includes original case | Cleaning cloth included | Certificate of authenticity and guarantee included | Round frame | Full-rim acetate construction | Dimensions & fit: Lens width: 50 mm | Bridge: 22 mm | Temple length: 145 mm | Composition & care: Acetate | Clean lenses with the provided cloth and store in the included case; avoid abrasive cleaners and excessive moisture.