1. Black Nose Ring Hoop: 14 gauge (thickness: 1.6mm), inner diameter 6mm ( 15/64 inches ). Please check the inside diameter carefully according to the SIZE CHART OF THE HOOP NOSE RING. Select the most suitable size for yourself. 2. Surgical Steel Earrings -- 316L surgical steel, polished very well, comfortable to wear without sharp edge. 3. Sold individually. It can be used as cute nose rings for nostril piercing (piercing is closer to the edge), helix earring hoop, forward helix earring, rook earrings, snug earrings, daith earrings, tragus earrings hoop, anti-tragus earrings, cartilage earring hoop and second or third lobe piercing hoop for small ears. 4. Saves time - easy to open and close the click closure by hand, Not require a tool.And it's still tight after long-term use, needn't to worry about lost when bathing, walking or exercising. 5.You can contact us at any time if you have any questions. Size information: 14 gauge (thickness: 1.6mm), inner diameter 6mm ( 15/64 inches ). Material: 316L surgical steel