Color: Silver D shape septum ring with white opal inlaid; Size: 16 G(thickness: 1.2 mm); inner diameter: 3/8" (10 mm); please check thickness and inner diameter carefully; refer to size picture; select most suitable size for yourself Material: 316L surgical steel and opal; polished very well; no sharp edges; comfortable to wear. The septum ring hoop is simple, classic and cute, making your piercing more elegant and delicate Easy to Use: This septum ring is easy to insert by hand without a tool. The closure is seamless. It's still tight after long-term use, don't worry about lost when working, walking or exercising Multi-function: This hoop earrings is design for daily wear. It can be used as nose rings hoop, septum jewelry - septum ring / septum clicker, daith earrings, helix earrings, cartilage earring, rook earrings, tragus earrings, ear lobe earrings hoop Package: Include 1 pc nose hoop ring and come with a black velvet bag. Stylish septum clicker ring makes you unique; suitable for women and men