Gauge size 18 gauge nose ring; 14k solid gold nose hoop piercing ring Handmade in USA by our master jewelers; Length 5/16 inch; 8 millimeters diameter hoop for nose Review size chart to determine exact sizing for gold nose ring Insert the opening of the nose hoop through the nostril for a comfortable fit Lightweight and Comfortable Design; Our 18g hoop nose rings have an 8mm diameter and are lightweight to keep from pulling heavily on the septum or the side of the nose Knowing your correct diameter and gauge size is important to have a proper fit. Solid gold nose ring. 18 gauge nose hoop constructed of solid 14k rose gold. Simply insert the opening of the hoop through the nostril. Twist and turn through piercing until the ball on the end is resting against the inner part of the nostril. Solid rose gold nose ring hoop. Specifications: 18 Gauge (1mm), 5/16" (8mm), Solid 14K Gold, Hand Assembled in USA, Handpolished.This item is not hypoallergenic.