What is G23 Titanium?
G23 solid titanium is by far the top choice for body piercings, and can be safely used for initial piercings. Implant grade titanium G23 (Ti-6Al-4V-ELI, Certified ASTM F136) is the material used in surgical implants, is biocompatible (friendly with your body), much lighter than surgical steel, resistant to body fluids and 100% nickel free.
This is a ball closure ring. The ball pops out if gentle pressure is applied to the ball. You can reinsert it by aligning the ring to one of the grooves on the ball and then snap the other side into the other groove of the ball.