Silver-tone Stainless Steel Cubic Zirconia 18G Square & Marquise Stud & Hoop Threadless Cartilage Earrings - 3 Pack. Always have the perfect cartilage earring with this three-pack set. Options include marquise and square cubic zirconias flatback studs and a studded hoop. With a threadless-style closure, this stud's decorative front and flatback post snap together, so no twisting or turning is needed like a traditional closure. Pack Size: 3 Finish: Silver-tone Size: 18G/0.8mm Closure: Threadless, Endless loop Material: Stainless steel, Cubic zirconia