Carrera's 3011 Optical Frame is a rectangular acetate frame with metal rivet accents and flexible hinges, designed for everyday prescription wear. Key attributes: Green | Acetate | Prescription-ready | Flexible hinges | Demo lenses (replaceable) | Rectangular shape | Full rim | Metal rivet accents | Carrera 'C' logo on temples | Dimensions & fit: Lens width: 53 mm | Bridge: 16 mm | Temple length: 140 mm | Composition & care: Acetate | Clean lenses with a microfiber cloth. Store in the supplied case. Replace demo lenses with prescription lenses through an optician.