Here’s your daily dose of glow. Sun-inspired with simulated opal and CZ accents, this cartilage stud is made in 14K hollow gold and titanium for comfortable all-day wear. Made in responsibly sourced 14K hollow yellow gold and hypoallergenic polished titanium for everyday wear. Stone: Simulated Opal, Cubic Zirconia Stone Size: 3 mm, 1 mm Gauge: 18G Tube Length: 5/16" Dimensions: 7.32 x 7.32 mm Fits cartilage piercings: helix, forward helix, tragus, conch and flat.