"ZS" Belly Button Piercing Jewelry made with Environmental Protection Copper and Shiny Cubic Zirconia. Navel Ring Design : Rose Gold Crystal Belly Button Rings. Belly Bar thickness : 14 gauge (1.6mm), bar length: 10mm, Top Ball Size: 5mm, Belly Bottom Size : 7mm. Perfect for daily wearing, party, beach, You will feel glamorous and elegant wearing it. Package included: 1 Piece Belly Button Piercing.