✦ Sold as One Single ✦ [SPECS] Material: 316L Surgical Steel Stone: Synthetic Opal Opal Colors: White, Blue Opal Size: 2mm, 3mm (top outer width, not stone size) Flatback Width: 3mm Bar Length: 6mm, 8mm Gauge: 16G (1.2mm), 18G (1mm), 20G (0.8mm) Style: Push-in threadless flat back Gauge Guide: 16G — helix, tragus, conch, daith, cartilage 18G — earlobe, cartilage, nostril 20G — earlobe, nostril A color-shifting synthetic opal tops this threadless flat back stud. Available in white and blue opal with iridescent hues that catch light beautifully. Push-in threadless design for easy, secure wear. Flat back sits flush for comfortable all-day and sleeping wear. Perfect for helix, tragus, conch, and earlobe piercings. Why you'll love it: Vivid color-shifting opal in white or blue Push-in threadless design — easy to insert and secure Flat back sits flush for comfortable sleeping 3 gauges and 2 bar lengths for a custom fit Nickel note: 316L surgical steel contains trace amounts of nickel. If you have a known nickel sensitivity, we recommend our implant-grade titanium collection instead. Love opal? See our Opal Jewelry Collection | Opal Nose Studs Prefer CZ? See our SS CZ Threadless Stud