Tiny Heart Post Earrings. Adorable, simple, and dainty heart post earrings for you or a loved one. These tiny heart earrings are the perfect way to say "I love you" and would make a wonderful gift for someone special! • Our bronze is a high-quality Italian alloy of copper and tin that contains an anti-tarnish compound which delays, but does not eliminate, eventual oxidation. • Available in Sterling Silver, Gold Plate & Bronze (with sterling silver posts) • Made from Recycled Silver. • Gold plate is 40 micro inches of 98.5% pure gold plated over sterling silver with a fine layer of nickel in between.