This belly button ring is adorable. The butterfly is approximately 1.5cm in diameter. Reverse and top down belly button rings are Hot this season! The barbell on this navel ring is crafted from 316L surgical grade stainless steel for your protection. Top quality retail body piercing jewelry at wholesale prices for everyone. Barbell Size: 14 Gauge (1.6mm) Barbell Length: 7/16" (12.7mm) Brand: FreshTrends Age: Adult Condition: New