The latest concept in Body Piercing - Flexible Bioplast&#153 Belly Rings ? Bioplastic is increasingly the preferred material over Surgical Steel and Titanium as the flexible barbells allow for a more comfy fit, and they are hypoallergenic causing less irritation, swelling and infection. The 8mm and 5mm contain silver glitter to add a sparkle to your navel, and the balls are UV reactive so they light up in the clubs under UV light! Available in a variety of colors to match your wardrobe and mood! Barbell Size: 14 Gauge (1.6mm) Barbell Length 3/8? (9mm) Brand: FreshTrends Age: Adult Condition: New