Hawaii Titanium Rings® stack rings inlaid with wood or stone are a perfect way to match your mates engagement or wedding ring. We use the same wood and stone for matching sets. Birthstone rings and power-stone rings in a rainbow of colors. Stack multiple thin bands, lightweight and comfortable for every finger. These are just a few choices, you can choose any single inlay for your stackable ring or one of our vertical designs for multiple inlays.