8Pcs 16G Opal CZ Labret Monroe Lip Rings Bioflex Earring Studs Piercing Jewelry 8-16pcs UV Acrylic Lip Studs Rings 16G Opalite & CZ Gems Labret Monroe Barbell Feature:       100% Brand New!High Quality!       Gauge(Thickness): 16G (1.2 MM)       Material:  Acrylic       Internally Threaded       Bar Length approx. 8mm       Top Diameter 2mm/,3mm,4mm,5mm       Package Included: 8PCS / 16PCS