Tonwhar&reg; Women's Metal Frame Heart Shaped Rimless Sunglasses Gradient Lens metal frame plastic lens non-polarized Lens width: 6.4 centimeters Lens height: 5.3 centimeters Bridge: 1.3 centimeters Arm: 14 centimeters UV resistant grade: U/V400 Visible perspective rate: 80 (%) Non-polarized Frame Material: Metal Lens Material: AC