Guess GU50174 Square Frame is a classic acetate optical frame with a clean square silhouette, designed for everyday prescription wear and progressive lenses. Key attributes: Dark green | Havana | Acetate | Prescription-ready | Progressive-friendly | Includes protective case | Compatible with prescription lenses | Square frame | Full-rim design | Acetate finish | Dimensions & fit: Lens width: 54 mm | Lens height: 44 mm | Bridge width: 16 mm | Temple length: 140 mm | Size: 54-16-140 | Medium fit | Composition & care: Acetate | Clean lenses with a microfiber cloth and lens cleaner; store in the included case.