Give your ear stack some personality with this yellow ion-plated purple and pink CZ stud set. Three flat-back studs, including a polished ball, a purple-accented CZ stacked cluster, and a pink CZ butterfly, bring a fun pop of color to your piercings. Made in surgical-grade stainless steel with yellow ion plating. Stone Type: Cubic Zirconia Gauge: 18G Tube Length: 5/16" Fits cartilage piercings: helix, forward helix, tragus, conch and flat.