New and beautifully made pure silver septum for a non pierced nose set with a green onyx. Bar size is 1.2mm. 16 gauge. inner ring: 10mm Total diameter: 16mm Stone size: 3mm Adjustable to all nose shapes. ~~~~ How to use the septum Correctly ~~~~ In order of taking care of your new septum, it's important to bend it to the sides (never up) as little as possible when putting it on and off. ~~~~ How to clean the septum? ~~~~ Brass and silver oxidize naturally with time and with contact to the skin. Wash it with a bit of lemon juice or vinegar to bring back the metal color, shining and bright.