The Silicon used in manufacturing belly rings are quite reliable, easy to handle and also durable. They can be shaped as per the requirements. These are highly water resistant.
Silicone bell rings are very popular as it is widely available in a huge number of colors, shapes, size. When browsing through the net you will get a huge variety of classic designs. Its bit difficult to glance through all the designs, some of the popular designs is bubble balls, bands and beads, spiky sphere balls.
It serves as a great alternative for titanium. They are very much amazing and give the funky look and are quite affordable as well.