45 Unconditional Money back guarantee - 2-year free repair warrantyMetal stamp: 14k - hypoallergenicClosure: Internally threaded ScrewFinish: PolishedMeasurement: Theme: Piercing, Body jewelry, Labret, cartilageSafety: hypoallergenic - nickel-freeHypoallergenic real 14k 3mm ball lip labret stud for women teens men! PRODUCT SPECIFICATION: Metal stamp: 14K, Closure: Screw ; Gauge: 18G (1mm); Length: 1/4" (6.4mm); Piercing Type: Lip, Tragus, Monroe