HALLOWEEN BODY JEWELRY. This Skulls dangle belly ring is an awesome accessory to compliment your Halloween costume. The acrylic portion of this belly button ring glows under UV lights. The barbell on this navel ring is crafted from 316L Surgical Grade Stainless Steel. Cool Halloween belly button jewelry, only at FreshTrends.com! Barbell Size: 14 Gauge Barbell Length: 7/16" Brand: FreshTrends Age: Adult Condition: New