Studex Gold Plated Regular White Pearl earrings are designed for sensitive ears. Made in the USA, these hypoallergenic studs are sterilized and nickel-safe, ensuring safe and gentle ear piercing. Key Features Sterilized for sensitive ears Made in USA Gold plated over steel Hypoallergenic Gold Plated Over Steel, Surgical-Grade Stainless Steel, Nickel-Safe Materials.Studex: Trusted leader in piercing earrings and fashion studs for sensitive ears, made in the USA.Piercing Stud: Requires use with a Studex piercing instrument by a certified technician.Sterilized.