WildKlass Jewelry 316L Nipple Bar with PVD Plated Balls (Sold Individually) Crafted out of 316L Surgical Steel these barbells are available in 2 sizes, 16GA 1/2" and 14GA 9/16, and is suitable for men and women. Comes in 5 fun colors: Green, Purple, Black, Light Blue, and Blue. Metallic and beautiful these Nipple Barbells are a fun way to dress up a standard nipple piercing. Lightweight and comfortable to wear. Material : 316L Stainless Steel Available in 2 sizes. Exceptionally High Quality Jewelry!