Body Candy Bioplast Curved Barbell Retainer 14 Gauge 3/8" Gauge size 14 gauge; 1.6 millimeters 3/8 inch; 10 millimeter curved barbell length Piercing concealer made with clear flexible Bioplast Use this invisible retainer to hide your body piercings Navel jewelry concealers can be used with other curved jewelry piercings