metal frameplastic lensnon-polarizedLens width: 50 millimetersPremium Oval Fashion Eyeglasses Made of Anti-Allergen Stainless Steel Frame – Lightweight Spring Hinge DesignAdult Size – 133mm frame width, 50mm lens width, 40mm lens height, 19mm bridge.Non-prescription frame with demo plastic lenses eyeglasses. Can be fitted by your doctor with your own prescription. Comes with a hard sunglasses case and a cleaning cloth.1 Year Full Replacement WarrantyEverything is shipped within 24 hours!