These stud earrings shine like mini constellations, with radiant sparks fanning out from the center. At the core, a dazzling cubic zirconia catches the light and refuses to let go.  Details Stud Earrings Post Base Push Backing Content + Care 18K Gold Plated Brass Cubic Zirconia To avoid tarnishing and prolong the life of your jewelry, we recommend that items not be exposed to chlorine, perfumes, excessive sweat, or water as these can be abrasive and cause the removal of the plating.