These rings are the highest grade Titanium available, Grade 5. What's the difference between this ring and the cheap ones online you ask? Those are made in china and are grade 2 which makes them very soft and sometimes dangerous, as they bend around your finger if crushed. Grade 5 is stronger. 42% lighter than stainless steel yet stronger.
These rings come in 3 widths, narrow (3mm), medium (6mm) and wide (8mm). Also available in quarter sizes, just put the size you need in the notes of the order if you need a quarter size. Check out the pictures, I've included a couple from the creation process.