Metal Bridged T-Riveted Horned Rimmed Classic Style Eyeglasses plastic frame Polycarbonate lens non-polarized Lens width: 52 millimeters Lens height: 44 millimeters Bridge: 23 millimeters 100% Protection Against Harmful UVA/UVB Rays UV400 - 100% Protection against harmful UVA & UVB sun rays. | USA Standard ANSI Z80.3-2001 | CE certified Lightweight For Superior Comfort Excellent Durability and Quality Craftsmanship 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