Our Mini Crystal Trinity Studs, now available in implant grade titanium for 24/7 waterproof, sweatproof, lifeproof wear, team a trio of stones to represent the chain of generations - and how we're all connected, in the past, present, and future. Also available in sterling silver, solid 14k gold, and as a titanium flat back for cartilage piercings. SPECS & SIZING Solid implant grade titanium with high quality CZs Gold version is coated in 18k gold PVD Plating 3.5mm in diameter 20G post, 6mm weara