BodyJ4You 5 Pieces Labret Retainers 16 Gauge Clear Bioplast Tragus Retainers Lot 16G (1.2mm) 5 Pack 5 Pieces Labret Retainers Flexible Bioplast Specifications: 16 Gauge (1.2mm), 5/16" (8mm) Use these clear bioplast retainers anytime you need to be inconspicuous.