16 gauge (1.2mm) white opal daith hoop ring, daith clicker, or septum hoop. A white opal centered around a lacey hoop is made of 316L surgical steel set with the white opal being 4mm. Can also be used as a rook piercing. The hoop bar is 9mm long that goes thru the piercing. Overall size of this nose piercing is 11mm wide by 9mm. All orders arrive in a gift box.