Classic Full Metal Double Bridge Crossbar Flat Lens Round Aviator Sunglasses 54mm (Black/Green) Metal frame Composite lens Non-polarized Lens width: 54 millimeters Lens height: 48 millimeters Bridge: 22 millimeters Arm: 140 millimeters 100% Protection Against Harmful UVA/UVB Rays Non-Polarized Composite Lens English Style Nose Piece Keyhole Nose Bridge For Better Fit 30 DAY MONEY BACK GUARANTEE AND 90 DAY LIMITED WARRANTY AGAINST MANUFACTURER DEFECTS: Our main goal is make our customers happy and provide the best shopping experience; If you are not completely satisfied with our product or your purchase please contact us, we'll be happy to help