This 316L Implant Grade Surgical Stainless Steel 16 gauge Internally Threaded Labret Stud comes in 2 lengths 5/16″ & 3/8″ with your choice of 2.5mm or 3.0mm Low Profile Gem Bezel Set. With your choice of six stunning Swarvoski Crystal gem colors. Disc measures 4.9mm diameter and 1.45mm thick and is rounded for extra comfort for Labret – Madonna – Medusa & Monroe Piercings. The upper lip is usually thicker than the lower lip keep that in mind when ordering. Sterilized in a sealed pouch for your safety.