1. This 7mm nose rings hoop is SMALL! If your nose is big or your nostril piercing is higher, don't choose 7mm hoop. This ring's size info: 20 gauge (thickness: 0.8mm), inner diameter 7mm ( 9/32 inches ). The ring is very tiny, suggest you to wear it when staring yourself in the face in the mirror or ask someone to help you wear the ring. 2. Small surgical steel cartilage earring hoop for women and men: 316L surgical steel, polished very well, comfortable to wear without sharp edge. 3. Sold individually. It can be used as nose rings for nostril piercing ( piercing is closer to the edge ), helix earring hoop, forward helix earring, rook earrings, daith earrings, tragus earrings hoop, cartilage earring hoop and second or third lobe piercing hoop. 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: 20 gauge (thickness: 0.8mm), inner diameter 7mm ( 9/32 inches ). Material: 316L surgical steel