Neon Swirl Navel Jewelry. Now's the time to show a little skin. Dazzle up your belly button with this colorful navel jewelry. Navel piercing are a cute, attractive way to accessorize your body. 14 gauge 3/8" surgical steel curved barbell has Neon Swirled Acrylic Balls. Now is the time to change your navel ring to a cute banana bell barbell.