Most popular size would be the 8mm length which is not too big and not to small

It has a bezel gem threadless top and it comes in 3 different gauges with 2 different lengths

Gem Size: 5mm Cubic Zirconia

Charm Material: Tamarind Wood & Abalone Shell

Opal Size: 6mm

Implant Grade Titanium Threadless Aurora Borealis CZ Triangle Shaped Gem Push In Labret With Flat Back titanium cartilage Most popular size would be***Bar is included check bar lengths available*** Our Experts Pre Bend all Threadless jewelry to fit your desired post. This Threadless Implant Grade Titanium Labret is perfect for any piercing. It has a Threadless 3mm CZ Gem Top. It also comes in a variety of bar lengths. These are easy to put in and secure so it doesn't fall out. Price Per Piece Enter 2 For A Pair Material: Ti 6AL4V ELi ASTM F 136 *IMPLANT GRADE* titaniumFlat Back Threadless Gauges