Gold Plated Butterfly and Two Round CZ Dangle Belly Button Navel Ring. Material: 316L Surgical Steel. Stone: AAA Grade Cubic Zirconia. C.Z Colour: Clear. Finish: 18K Gold Plated. Bar Thickness: 14 Gauge - 1.6mm. Bar Length: 10mm. Balls Size: 5mm & 8mm. *Sold by Piece.