Carrera 331 Optical Frame by Carrera is a black rectangular acetate frame designed for everyday prescription or non-prescription wear. It combines a lightweight build with distinctive Carrera detailing for reliable daily use. Key attributes: Black | Acetate | Lightweight construction | Flexible hinges | Suitable for prescription lenses | Rectangular full-rim silhouette | Metal 'C' logo detail on temples | Fin temples | Dimensions & fit: Lens width: 50 mm | Bridge: 20 mm | Temple: 150 mm | Composition & care: Acetate | Clean lenses with a microfibre cloth and lens cleaner. Store in the protective case when not in use.