SMART DOLPHINS. The Dolphin earrings feature a dolphin-shaped design. The earrings artfully depict the beauty of the dolphin and the carefully detailed craftsmanship of the item. Dolphins are a symbol of growth and intellectualism on a higher level. SIZE. . The earrings measure 0.4 inch x 0.25 inch. 18K GOLD PLATED.All gold-plated Mystigold jewelry is plated with 18K gold. 18K gold contains 75% pure gold and 25% other metals, thus making it a higher quality of gold compared to 14K (which contains only 58% pure gold). .925 STERLING SILVER PLATED RHODIUM.All Mystigold silver jewelry pieces are made from .925 sterling silver, which is 92.5% silver, the highest quality for silver jewelry. A rhodium plating is added to enhance the luster and durability of the jewelry, offering a beautifully shiny finish and greater protection for sensitive skin. THE BEAUTY OF RHODIUM. Rhodium is a metal in the same elemental group as the noble platinum. Its exceptional heft and light-reflecting properties enhance the durability and finish of sterling silver, preventing tarnish and reducing the need for regular polishing. SKIN-FRIENDLY JEWELRY. Our jewelry is skin-friendly and appropriate for sensitive skin. The high-quality materials and craftsmanship of the pieces mean they will not corrode or irritate the skin, ensuring they can be worn on a day-to-day basis without issues. AVAILABLE IN 2 METAL HUES. The earrings are available in .925 Sterling Silver Plated Rhodium and in 18K Gold Plated.