24 Ct Gold Plated SET with High Quality Imported Crystal Stones.A Tin Based Alloy which is internationally certified to be used for Costume Jewllerly, Stones used are High Quality Imported Crystals including Checo Stones and Cubic Zirconiums.The Earring Posts are made of Hypoallergenic Surgical Steel to avoid any skin allergies.Product manufactured by Certrifugal Spin Casting.