Hand made by artisan Jenna Hardie, This ring has a tungsten core with a blue and pearl opal inlay. This has been reinforced with CA glue and sanded to a 12,000 grit then polished for a durable and shiny finish! This ring can be made to size and has a great feel and weight. It is HIGHLY recommended that you do not engage in strenuous activity while wearing your ring especially anything that will directly impact it. This will keep your ring lasting much longer!