This is a cool dolphin dangling belly button barbell. This navel barbell has a dolphin at the bottom bead and it from dangles a small chain with a small cz jewel. This item is made up of 316L surgical steel. The size available is 14 gauge with a length of 10mm - 3/8 of an inch. The top bead measures 5mm. The item is sold individually. This item is nickel free.