16 gauge gold lotus flower helix piercing cartilage earring. 316L surgical steel barbell cartilage earring piercing is 16 gauge and the post is 1/4" long. All orders arrive in a gift box. Choose your color wire wrapping, shown with teal. The lotus charm is made of rhodium plated surgical steel. To maintain the finish, make sure it is rinsed off completely of any soap, lotions, creams or hair products.