About This Stud A sweet little heart designed for everyday wear. This flat back stud sits smoothly against the ear for a comfortable, secure fit—perfect for stacking, sleeping, and all-day shine. This jewelry is crafted entirely from ASTM F-136 implant-grade titanium, making it 100% safe for new piercings and trusted by piercing studios worldwide. Each piece is set with AAAAA-grade cubic zirconia, giving a super-sparkling shine that lasts. Plus, it’s completely tarnish-free, ensuring your jewelry stays beautiful and brilliant over time.Details - Sold as a single - Bar Gauge and Length: 16G-6mm. Need extra post? You can purchase additional posts [here]. - Closure: Push in - Made of solid implant grade titanium / Gold version is coated in 18k gold PVD Plating - Flat Back Disc Size: 0.15" (4mm) - Waterproof / Hypoallergenic / Nickel Free