This 15-Piece Cartilage Earring Set includes 18G flat-back studs (316L stainless steel, hypoallergenic, lead & nickel-free) with 14K gold plating and 5A cubic zirconia accents for a shiny finish. The internally threaded design (18G/1.0mm, 7mm post length) ensures a comfortable fit for side sleepers and sports, with tool-assisted secure attachment. Versatile for multiple piercings: helix, conch, nose, lip, labret, or medusa. Packaged in a jewelry bag, it's an ideal gift for birthdays, Christmas, weddings, graduations, or Thanksgiving—perfect for women, mothers, girlfriends, or friends.