Bling Jewelry Simulated Aquamarine CZ Anchor Crystal Belly Ring 316L Steel Nautical Belly Button Ring Stone: 7 mm Material: 316L Stainless Steel, Crystal, Cubic Zirconia Measure: 2.5 inch L, 14 Gauge Weight: 3.2 Grams Nautical Belly Button Ring Stone: 7 mm Material: 316L Stainless Steel, Crystal, Cubic Zirconia,Measure: 2.5 inch L, 14 Gauge,Weight: 3.2 Grams.