Beautiful Navel Ring Curved Barbell Body Piercing Silver Dolphin Crystal Blue Rhinestone Dangle Belly Button Ring. This beautiful navel ring is handcrafted using a curved barbell made of 316L surgical steel, stainless steel chains, and three silver plated dolphins. The 316L surgical steel barbell is hypoallergenic. It has crystal blue rhinestones inserted. The barbell is resistant to corrosion and oxidation; its shine and luster is highly reflective and is resistant to scratches and tarnishing. The navel ring is approximately 2.75” (70.0mm) long measuring from the top ball to the bottom of the dolphin that is on the longest chain. The top ball is 0.197” (5.0mm) in diameter and has an internal thread that screws on to the stem firmly and securely and screws off conveniently. The 316L surgical steel stem is 0.063” (1.6mm) in diameter. The bottom ball is 0.312” (7.9mm) in diameter. Each silver plated dolphin is 0.43” (11.0mm) long. Our jewelry items come to you in a sealed plastic baggie, sealed from any possible contaminants for your protection. Product number PCB-18207. Handcrafted in the U.S.A.