5PCS Threadless flat back small disc stud earrings. (2mm, 2.5mm, 3mm, 3.5mm, 4mm) SIZE: Post Length: 5mm * 1pcs, 6mm * 3pcs, 8mm * 1pcs.Thickness available: 20ga (0.8mm), 18ga (1mm), 16ga (1.2mm). MATERIAL: 316L Surgical Steel, Real gold vacuum plating.Nickel free, Lightweight, perfect for everyday wear! Location: Cartilage, Conch, Daith, Earlobe, Tragus, Nose. 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. 20G/18G/16G Tiny Stud Earrings, Cute Little Earrings, Dainty Threadless Flat Back Earrings, Cartilage Tragus Piercing Jewelry Conch Piercing Nose Stud Helix Stud