Kate Spade Alvena Eyeglasses-0X77 Tortoise Aqua Striped-51mm Composite Acetate frame Glass lens Polarization Lens width: 51 millimeters Bridge: 15 millimeters Arm: 135 millimeters Model No : Kate Spade Alvena 0X77 00 Frame Color :Tortoise Aqua Striped Bridge Shape :Single Bridge Temple Material : Plastic Size : 51x15x135