1pc Black Titanium Plated Septum Ring / Buffalo Taper Expander Pierced Nose Ring over Surgical Steel Fast Shipping 1pc Black Titanium over Surgical Steel Septum/Buffalo Taper and you choose your gauge! Material is Ion Plated Black Titanium over Surgical Steel (O-Rings included) Can be cleaned with polishing cloth and/or warm water. Plating can wear off over time. The life of titanium or gold ion plating depends on many factors, especially individual body chemistry and the amount of wear the jewelry receives.