Ray-Ban RB3538 Sunglasses Blue/Gunmetal w/Blue Mirror (189/55) 3538 18955 53mm Authentic metal frame plastic lens non-polarized Lens width: 53 millimeters Bridge: 19 millimeters Arm: 145 millimeters RB3538 189/55 53-19-145 Blue/Gunmetal Frame / Blue Mirror Lenses Protective case included, cases come in a variety of colors. The shape and curvature of these sunglasses may need adjustments. Adjustments should only be made by a professional. Buy with confidence. All of our Ray-Ban's come straight from the manufacturer.