This is a strong navel ring made from solid TITANIUM 6ALV-ELI (Grade 23) IMPLANT GRADE comes in a variety of colors including light blue, blue, green, yellow, purple, or rainbow. This belly ring is 14 gauge and measures 10mm-3/8 inches . The top bead size is 5mm and the bottom is 8mm. 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.