Nerd Raver Poser Clubbing Clear Lens UV400 Dork Horn Rimmed Glasses (Tortoise) Acetate frame Polycarbonate lens Clear Lens width: 50 millimeters Lens height: 40 millimeters Bridge: 12 millimeters 100% Protection Against Harmful UVA/UVB Rays Classic Original Design Lightweight For Superior Comfort 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