Karl Lagerfeld Optical Frame combines a classic rectangular acetate construction with everyday prescription compatibility for a polished, reliable look. Key attributes: Black | Acetate | Compatible with prescription lenses | Standard hinge | Rectangular shape | Full-rim frame | Dimensions & fit: Lens width: 55 mm | Bridge width: 16 mm | Temple length: 140 mm | Medium size (55-16-140) | Composition & care: Acetate | Clean lenses with a microfiber cloth. Wipe frame with a soft cloth and store in the protective case when not in use. Avoid abrasive cleaners and solvents.