JOVIVI 2-8pc 16G Stainless Steel Horseshoe Ball Circular Barbells Tongue Ring/ Lip Ring/ Nipple Ring 9/16" Dia Hypoallergenic Stainless Steel Horseshoe with 4mm diameter end balls, externally threaded U Size: 14mm Inner Diameter (4mm Ball) ; U Thickness: 1.2mm (16 Gauge) Suitable for Labret Stud, Lip, Nipple piercings Jewelry Types:Circular & Horseshoe. Color: Colorful Quantity:1 Pairs. Each order will comes with a brand printed JOVIVIjewelry bag!