Belly Button Ring / Navel Ring With A Cross Design White Synthetic Opal Displays Rainbow-Like Hues That Changes With Angle Of Observation Prongs Securely Holding Synthetic Opals Top Down Navel Ring Bar Thickness : 14Ga | 1.6Mm Bar Length : 3/8" | 10Mm Cross Size : 18 X 22Mm Material : 316L Stainless Steel, Zinc Alloy, Synthetic Opal