Belly Button Rings 316L, Dangle, Gem, Press Fit, Superman, Navel Ring Officially licensed DC Comic belly button ring SIZE: 14 Gauge (1.6mm), 7/16" (11mm) MATERIALS: 316L Surgical Grade Stainless Steel. Cubic Zirconia gemstones. 316 Stainless Steel is the preferred steel where bio-compatibility is required (such as body implants and piercings). You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!