This 3026 Sunglasses, the Overall Frame Is Made of Stainless Steel, the Steel of the Frame, the Polishing Brightness of the Frame Will Be Better than That of White Copper and Brass, moreover, According to the Design of Double Screw Holes on the Hinge of the Mirror Leg, It Looks More Atmospheric, and Leg Cover of the Raw Materials of the Mirror Are Made of Brand New White Materials, Which Is Not Easy to Turn Yellow!