3PCS Cute Small Heart Threadless Flat Back Stud Earrings. (1pcs super tiny 3mm heart + 1pcs tiny 3.6mm heart + 1pcs small 4.2mm heart ) MATERIAL: Bar: Solid ASTM F-136 Titanium (Grade 23), Top: 316L Surgical Steel, PVD over Implant Grade Titanium, Nickel free, Lightweight, perfect for everyday wear! SIZE: Post Length: 6mm * 2pcs, 8mm * 1pcs, Thickness available: 20ga (0.8mm), 18ga (1mm), 16ga (1.2mm). 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. Tiny cute 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