Reptile Serpent Polarized Bi-Focal Reading Sunglasses Metal frame Polycarbonate lens polarized Lens width: 60 millimeters POLARIZED Lens for the best in Optical Clarity 100% UVA/UVB Protection Grey Tinted Bi-Focal Lens 8 Base Lens Curvature 5.8" Frame Width ; 1.7" Lens Height