Rainbow post earrings with nano gems. At its most basic, the rainbow is a mix of light and mist - a perfect harmonic combination producing a phenomenon of supernatural beauty, transformation and enlightenment. There's a reason why we feel lucky when we spot a rainbow, and why children the world over love rainbows - they are magical events filling us with the glory of the natural world, and reflecting back all it's happy colors. These rainbow post earrings are perfect for anyone who needs a boost. Nothing can lift our spirits like color. These lucky earrings are perfect for Spring, Pride and Saint Patrick's Day! • Available in Sterling Silver & Gold Plate • Made from Recycled Silver. • Gold plate is 40 micro inches of 98.5% pure gold plated over sterling silver with a fine layer of nickel in between.