this set offers versatile options for mixing and matching. Perfect for creating layered looks. The titanium posts ensure durability and hypoallergenic wear, making them suitable for sensitive ears. Hypoallergenic post Surgical steel post Lightweight post Durable post Product details: width: .5" length: .5" earring back: Titanium Post metal finish: gold Plating product: Lead & Nickel Compliant anti-tarnish: Double E-coating