BODYA 8-10pcs Belly Button Navel Ring Piercing Retainers Clear Bioplast Belly Retainers Lot 14g 10 Pieces confortabel and Flexible clear UV Belly button navel Rings Retainers Bioplast 14 Gauge. Specifications: 14 Gauge (1.6mm), 5/16" (8mm). Use these clear bioplast Curved Barbell belly retainers anytime you need to be inconspicuous.uitable for most people. Non toxic Allergy free Hospital Grade Flexible ,These are very discreet and very comfortable. Quality guaranteed by BODYA. Please contact us immediately with any quality issues.