MATERIAL • Stainless Steel - Made to last • Non-Fading, Waterproof • Thick 18K Gold Plating (2.5 Microns), Silver (Platinum Plating) DIMENSIONS • Earring Diameter: 45mm Stainless steel jewelry is made to last - you can shower, swim, engage in sports or wash your hands with soap. No tarnishing or fading of the plating guaranteed.