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 solid 14k gold, as a titanium flat back for cartilage piercings and our signature Crystal Trinity Nap Earrings. SIZE & FIT Earring top: 3.5mm wide Post gauge: 20g (standard piercing) Sphere backings — a secure, adjustable alternative to our flat-back styles Best for first or second lobe MATERIALS & CARE Medical-grade titanium Cubic zirconia crystals Gold: 18K gold PVD plating Hypoallergenic — safe for sensitive skin Waterproof and tarnish resistant To maintain shine, polish with a soft cloth SHIPPING & RETURNS Free standard US shipping on orders over $150 Easy returns and exchanges