The materials of metal sunglasses frames are nickel silver, stainless steel, titanium etc... These materials processed through precision processing, electroplated with gold, silver, or popular painting colors finish. Metal sunglasses are sturdy and durable; it has smooth surface and good appearance, light weight. We produce different kinds of metal sunglasses with different shapes, Our metal sunglasses frames have full frame, half frame,no frame ,Combination frame and folding frame.