This 18 gauge 7mm hinged nose ring is small! If your nose is big or your nostril piercing is higher, don't choose 7mm hoop. This hoop's size info: 18 gauge (thickness: 1.0mm), inner diameter 7mm ( 9/32 inches ). The ring is SMALL, suggest you to wear it when staring yourself in the face in the mirror or ask someone to help you wear the ring. | Surgical Steel nose hoops: 316L Surgical Steel ( lead free, nickel free and cadmium free ).You needn't worry about allergies.Polished very well, comfortable to wear without sharp edge. | 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. | 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. | If you have any questions, please feel free to contact us.