This is a solid petal purple TITANIUM 6ALV-ELI (Grade 23) IMPLANT GRADE belly button ring with a clear cubic zirconia jewel in the bottom bead. The bottom bead size is 10mm and top bead size is 6mm. This belly ring is 14 gauge and measures 10mm-3/8 inches. Titanium navel rings are lightweight, corrosion resistant, and less likely to react with bodily fluids! For extra safety your titanium body jewelry can be sterilized in an autoclave.