The Studex Gold Plated Regular Birthstone AB Crystal Card features earrings designed for sensitive ears. Made in the USA, these earrings offer both style and comfort, ideal for everyday wear. Key Features Sterilized earrings Gold plated Suitable for sensitive ears Made in USA Key Materials: Surgical Steel base; 24k Gold Plating; AB Crystal gemstone; Sterile packaging.Studex: Leading provider of earrings for sensitive ears, known for quality and comfort.Piercing Stud: Requires use with a Studex piercing instrument by a certified technician.Sterilized.