Ray-Ban Optical Frame crafted for everyday refinement. This square Ray-Ban frame delivers a versatile look that pairs easily with casual and tailored styles. Key attributes: Black | Acetate | Prescription-ready | Includes original case and cleaning cloth | Certificate of authenticity and guarantee included | Square shape | Full-rim acetate frame | Top black on transparent finish | Dimensions & fit: Lens width: 51 mm | Lens width: 53 mm | Lens width: 56 mm | Lens height: 37 mm | Bridge width: 18 mm | Temple length: 145 mm | Temple length: 150 mm (56 mm size) | Available in multiple sizes: 51 mm, 53 mm and 56 mm lens widths | Composition & care: Acetate | Wipe lenses with the included microfiber cloth and store the frame in its case when not in use. Avoid prolonged exposure to high heat.