Gucci GG1816O Optical Frame pairs a bold square silhouette with acetate construction for reliable everyday prescription wear. Key attributes: Black | Black | Transparent | Acetate | Prescription-ready | Includes case and cleaning cloth | Full-rim square frame | Logo on temple | Dimensions & fit: Lens width: 54 mm | Bridge width: 16 mm | Temple length: 140 mm | Composition & care: Acetate | Clean lenses with the included microfiber cloth and lens cleaner; store in the provided case when not in use.