Gucci Square Sunglasses in Brown Carbon GG 1047NS 4ZX 56 Imported Acetate frame Glass lens Polarization Lens width: 51 millimeters Lens height: 43 millimeters Bridge: 18 millimeters Arm: 131 millimeters Frame Material: Plastic Lens Material: Plastic Lens Width: 56 mm Bridge: 16 mm Arm: 140 mm