Guess Butterfly Optical Frame combines a sculpted acetate butterfly silhouette with medium sizing for everyday prescription wear. Ideal for smart-casual looks and daily use. Key attributes: Brown | Acetate | Compatible with prescription lenses | Includes branded case and cleaning cloth | Butterfly shape | Dimensions & fit: Lens width: 58 mm | Bridge: 16 mm | Temple length: 140 mm | Size: M (medium) | Composition & care: Acetate | Wipe clean with a soft, dry cloth. Avoid abrasive cleaners.