Ray-Ban 0RB2140 Original Wayfarer Sunglasses, Top Texture on Black, 50mm Acetate frame Plastic frame Glass lens Non-Polarized 100% UV protection coating Lens width: 50 millimeters Lens height: 37 millimeters Bridge: 22 millimeters Arm: 150 millimeters Glasses might not sit completely flat Slight adjustments to the shape and curvature of the sunglasses arms may be needed to get a custom fit. Adjustments should be made by a professional. The shape and curvature of these sunglasses may need adjustments. Adjustments should only be made by a professional. Lenses are prescription-ready (Rx-able). Ray-Ban products include an etched "RB" on the left lens. The RB is not a scratch or defect. Protective case included cases come in a variety of colors.