12 Gauge Septum Rings: One order includes 1 pc of big gauge septum ring: Gauge size: 12G (2.0 mm); Inner Diameter: 10 mm(0.55 inches); Color: Silver; Material: G23 Implant Grade Titanium; Please refer to our size chart to select the appropriate size; Don't worry if the size doesn't fit, we're here for you if you have questions regarding the received item ASTM-F136 Certified Titanium: Biocompatible and non-irritating for long-term touch with body piercings; Well for people with sensitive skin; We ensure that our implant grade titanium used for septum jewelry is of premium quality, ensuring you avoid Nickel and Lead allergies Lighter Weight: The use of titanium material ensures that the 12G septum ring is 1 gram lighter than equivalent surgical steel nose rings, which can significantly enhance your long-term wearing experience Premium Quality: It stays in place, never falls off; You can engage in any intense activity without worry; These 12G septum rings are designed with utmost care for your wearing experience; We meticulously control every manufacturing process to ensure the effortless convenience on open and close the click closure Long-lasting Beauty: Our lustrous, metallic white-gray appearance titanium septum nose rings are highly resistant to corrosion and doese not tarnish easily