Marc Jacobs Sunglasses - MJ456/S / Frame: Black Lens: Gray Gradient Composite Imported Acetate frame Glass lens Polarization Lens width: 53 millimeters Lens height: 64 millimeters Bridge: 22 millimeters Arm: 140 millimeters Frame Material: Plastic Lens Material: Plastic Lens Width: 53mm Bridge: 22mm Arm: 140mm