Loewe Black Lw40003u 51mm Round Sunglasses Series number: LW40003U. Features: Lens Width: 51 mm. Lens Bridge: 24 mm. Arm Length: 145 mm. 100% UV protection. Non-Polarized. Frame Material: Plastic. Condition is excellent pre-loved. Does not include original case. Happy to answer any questions you may have! :)