✦ Sold as One Single ✦ [SPECS] Material: 316L Surgical Steel Color: Silver, Gold, Black, Rose Gold (PVD plated over steel) Gauge: 16G (1.2mm) Inner Diameter: 8mm, 10mm Stone: Synthetic Opal (Blue, White) Closure: Hinged click-shut Vibrant synthetic opal lines the outer edge of this hinged hoop, shifting between blue, pink, and green hues with every movement. The color-play effect makes this one of the most eye-catching hoops in our collection. Hinged closure clicks open and shut for easy, secure wear. Perfect for septum, daith, helix, and cartilage piercings. Why you'll love it: Stunning opal color-play — shifts hues in the light Available in blue and white opal Hinged click-shut closure — no fumbling with small pieces 4 metal colors to match your style Lightweight and comfortable for all-day wear Nickel note: 316L surgical steel contains trace amounts of nickel. If you have a known nickel sensitivity, we recommend browsing our implant-grade titanium collection instead. Prefer opal on the front? See our White Opal Front Hoop. Love opal? Browse our full opal jewelry collection.