Clic Aviator Polarized Bi-Focal Reading Sunglasses in Silver Metal frame Optical Grade CR39 lens polarized Lens width: 54 millimeters POLARIZED Lens for the best in Optical Clarity 100% UVA/UVB Protection Tinted Bi-Focal Lens 8 Base Lens Curvature Clic Magnetic Sunglasses Aviator Model