This star-like belly button ring is made from solid TITANIUM 6ALV-ELI (Grade 23) IMPLANT GRADE with 5 star ball design available in your choice of gold color, green, pink or light blue. 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.