✦ Sold as Single Top ✦ [SPECS] Material: Implant-Grade Titanium (ASTM F-136) Type: Threadless Push-In Top Piece Stone: Synthetic Opal Opal Colors: White, Blue, Pink, Purple Top Size: 2mm, 3mm, 4mm Fits 16G, 18G, and 20G threadless labret bars ✦ Bend pin slightly before inserting for a secure fit (see photo for instruction) ✦ ✦ Headpiece only — labret bar NOT included ✦ ✦ Works with our threadless labret bar ✦ Color-shifting synthetic opal ball that catches light with iridescent flashes of color. Available in three sizes so you can go subtle with 2mm or more visible with 4mm. The smooth round shape works in virtually any piercing — helix, tragus, conch, flat, or nostril. Why you'll love it: Implant-grade titanium (ASTM F-136) — biocompatible and hypoallergenic Threadless push-in design — easy to insert and secure Iridescent color-shifting opal catches light beautifully 3 sizes for the perfect fit in any piercing Prefer a claw prong setting? See our Opal Ball Claw Set Top. More opal tops: Round Opal Wide Bezel Top | Teardrop Opal Top | 3-Opal Curve Top