Upgrade your piercing essentials with the XUU ASTM F136 Titanium Belly Button Ring, engineered for safety, comfort, and modern style. Made from implant grade ASTM F136 titanium, this belly button piercing jewelry meets strict medical standards for biocompatibility. The hypoallergenic material is nickel-free and corrosion-resistant, making it suitable for sensitive skin, healing piercings, and long-term wear. The 14G curved barbell design naturally follows the contour of the navel, offering a secure fit without pressure. With 4 bar length options (8mm, 10mm, 12mm, 14mm) and 5mm or 8mm ball tops, you can customize your fit for maximum comfort and stability. Finished in 6 premium color coatings, each belly ring delivers a high-polish shine that elevates your look while maintaining durability. Whether you prefer classic silver or bold color tones, XUU delivers refined piercing jewelry designed to last.