Surgical Steel Septum Jewelry: made of 316L surgical steel; Polish smooth surface is suitable for body piercing jewelry and is's comfortable to wear without sharp edge 18 G Nose Hoop Ring: Rainbow; Size: 18 G(thickness: 1.0 mm); inner diameter: 10 mm; The size is suitable for women and men as daily piercings, please check thickness and inner diameter carefully to select most suitable size for yourself Multi-Function: The hinged segment clicker ring is perfect for septum piercing jewelry,daith piercing jewelry,rook earrings,conch piercing jewelry,helix earrings,tragus earrings,cartilage earrings,nose hoop rings,ear lobe piercings,nostril hoop ring,belly hoop ring and more. Easy to Use: This nose clicker ring is easy to insert by hand without a tool; The closure is seamless; It's still tight when working, walking or exercising Package: include 1 pc double nose hoop ring and 1 pc seamless clicker ring ; with a velvet bag; This nose piercing is suitable wear on festival, holiday and vacation