Guess GU50229 Eyeglasses pair a lightweight metal construction with a two-tone matte finish for everyday prescription wear. The square full-rim design suits classic and contemporary looks. Key attributes: Matte dark brown | Blonde havana | Metal | Prescription-ready | Compatible with prescription lenses | Includes protective case and cleaning cloth | Square frame shape | Full rim | Two-tone matte finish | Dimensions & fit: Lens width: 57 mm | Bridge width: 16 mm | Temple length: 140 mm | Medium size | Frame size 57-16-140 | Composition & care: Metal | Clean lenses with the included microfiber cloth and store in the protective case. Avoid abrasive cleaners and harsh chemicals. Have frame adjustments performed by an optician if needed.