The Sioux Falls tungsten carbide wedding band is unique and has a very distinct design. These tungsten rings feature the magnificent swirling blue, green, white and many other colors of mother of pearl. The mother of pearl is encased in a crystal clear resin with highly polished tungsten beveled edges. You will simply love wearing this ring. This ring ships within 1 business day. Free Lifetime Warranty and Lifetime Sizing; pay no restocking fees or deductibles!