Ray-Ban RX5446 Optical Frame is a square full-rim acetate design from Ray-Ban, made for everyday eyewear with clean lines and classic proportions. Key attributes: Black | Nero | Acetate | Includes case and cleaning cloth | Square shape | Full rim | Dimensions & fit: Lens width: 51 mm, 53 mm | Bridge: 19 mm | Temple length: 145 mm | Lens height: 41 mm, 43 mm | Frame width: 125 mm | Available in sizes 51 mm and 53 mm | Composition & care: Acetate | Wipe lenses with a microfiber cloth and store in the included case.