This is a cool Jeweled Dolphin Belly Button Ring. The bottom part of the dolphin dangles so that the tail may move. The dolphin is made up of .925 Sterling Silver. The barbell is made up of 316L Surgical Steel. The top bead measures 5mm. The size available is 14 gauge with a length of 10mm - 3/8 of an inch. The colors available are light blue, and pink. The entire piece is nickel free. Item is sold individually.