Classic Metal Teardrop Photochromatic XDF Lens Aviator Glasses (Gunmetal) Metal frame Plastic lens Photochromatic Lens width: 56 millimeters Lens height: 50 millimeters Bridge: 20 millimeters 50 millimeters high 56 millimeters wide 100% Protection Against Harmful UVA/UVB Rays U.S. Standard ANSI Z80.3-2001 | CE Certefied Classic Aviator Frame Classic Metal Hinges 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