Yohji Yamamoto Butterfly Optical Frame is a purple acetate silhouette designed for prescription eyewear. Its full-rim butterfly shape offers a stylish everyday option with demo lenses ready to be swapped for prescription lenses. Key attributes: Purple | Acetate | Demo lenses (ready for prescription) | Branded soft case included | Full-rim | Butterfly silhouette | Purple acetate frame | Dimensions & fit: Lens width: 54 mm | Lens height: 42 mm | Bridge width: 16 mm | Frame width: 135 mm | Temple length: 145 mm | Size: 54-16-145 | Composition & care: Frame: Acetate | Lenses: Plastic | Clean lenses with a microfiber cloth and lens cleaner. Store in the included branded soft case and avoid abrasive cleaners.