From UNOde50, these earrings feature:  Each UNOde50 piece is unique. Designed and manufactured at its headquarters in Madrid, all products are handcrafted in Spain. All of our jewelry is made of a special metal alloy. The pieces are then plated with silver or 18K gold. All jewelry is hypoallergenic and nickel free. Cool silver hanging earrings are composed of a small circular medallion with a hanging little white pearl at the end. Inspired by Aztec civilization, it is a treasure that you can wear daily.  Drop earrings Silver-plated metal Pearl Post closure Handmade Approx. 1.25" x 0.5"  1-year warranty Imported.