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