12PCS Threadless Tiny CZ Flat Back Stud Earrings. [1.5mm(3pcs), 2mm(3pcs), 2.5mm(3pcs), 3mm(3pcs) ] 3 Post thicknesses & 4 Post lengths: 20ga (0.8mm), 18ga (1mm), 16ga (1.2mm). Each thickness includes a 5mm, 6mm, 8mm, 10mm post. MATERIAL: 316L Surgical Steel, Real gold vacuum plating.Nickel free, Lightweight, perfect for everyday wear! Location: Cartilage, Conch, Daith, Earlobe, Tragus, Nose stud. As a standard, Lobe piercings are 20G, Helix and Cartilage are 18G or 16G and Conch are 16g. Service: 90-Day No-Risk Return Policy, reply to you within 12 hours to solve your problem. Cute small stud earrings is a good gift ideal for friends wedding, daughter engagement, wife birthday, or mother's day. If you have any questions, please feel free to contact us. Labret Stud Earrings, Threadless Push Pin Flat Back Earrings, Tiny Tragus Earring, Forward Helix Earring, Tragus Piercing Stud