Prada PS 51SV Optical Frame from the Linea Rossa collection combines a rectangular metal silhouette with a matte gunmetal finish for reliable everyday prescription wear. Key attributes: Gunmetal | Metal | Scratch-resistant lenses (demo lenses) | Prescription-ready (demo/display lenses) | Includes case and cleaning cloth | Rectangular silhouette | Matte finish | Dimensions & fit: Lens width: 54 mm / Bridge: 18 mm / Temple: 145 mm | Lens width: 56 mm / Bridge: 18 mm / Temple: 145 mm | Frame width: 130 mm | Lens height: 37 mm | Composition & care: Metal | Clean lenses with the included microfiber cloth; store in the supplied case; avoid solvents and exposure to extreme heat.