【MATERIAL】Gold plated on brass / zircon. Hypoallergenic. 【GAUGE】20 (or 0.8mm). 【HOOP DIAMETER】8mm / 0.3" 【PLEASE NOTE】Price is for single hoop only, not a pair of hoops. Heart-Shaped Daith Piercing Hoop, Earring, Heart Bendable Ring, Helix Mini Dainty Hoop