Gold-tone Stainless Steel Cubic Zirconia 18G Stud Threadless Cartilage Earrings - 5 Pack. Always have the perfect cartilage earring with this five-pack set. Options include a cubic zirconias in heart, star, marquis, and round and a gold-tone ball. With a threadless-style closure, the earring's decorative front and flatback post snap together, so no twisting or turning is needed like a traditional closure. Pack Size: 5 Finish: Gold-tone Size: 18G/0.8mm Closure: Threadless Material: Stainless steel