This high-qualitylabret ismade from ASTM F136 titanium and features a3mmrainbow aurora cz gem that is surrounded with beads.It has an internally threaded design and is size 16G. These are available in two length sizes: 1/4" (6mm) and 5/16" (8mm) length with a flat disk size of 3mm. Designis about 5mm. Sold individually (2pc - top and bottom).