AMETHYST STUD EARRING DETAILS - Protection, cleansing, intuition - 18K Gold plated over brass or silver-plated over brass - Push-back closure *Please note that since these are natural stones, each gemstone varies in size, color, and shape. All Items Are - 100% hypoallergenic, Lead & Nickel Free We beautifully package every item and ship it the next business day! Jewelry Care Tips - Store your jewelry in a clean, dry space - Please keep it in a zip bag - Avoid contact with chemicals and lotion - Remove before showering, swimming, and sleeping Thank you for supporting my small business, and please don't hesitate to contact us with any questions you might have!