Many of our rings feature vivid colors that will stand up to wear and tear and the technology used is called Cerakote. It is a Polymer-Ceramic composite coating that you would typically see applied to guns and knives as well as other metals, plastics and wood. This method has been tested and will enhance the overall wear resistance, impact strength and hardness where it is applied. The coating works best in either a groove or within the inside of a band. Here is a chart below that will show you more colors that are offered.