Size::The earrings measure 0.25 inch x 0.25 inch (0.8 cm x 0.8 cm)18K gold plated.All gold-plated JewelryPrivateLabel 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). 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 AND 5 COLORS. The earrings are available in .925 sterling silver plated rhodium and in 18K gold plated and in Blue, Light Blue, Red, Pink and Yellow.