The design selected will be stamped multiple times around the ring, in different orientations.
Cross over ring is 6mmx70mm. 
Ring size refers to the width then length. The best way to measure your required length is to get a piece of string and wrap it around your ring. Where the string first overlaps, mark with a pen. Then measure the end of the string to the mark along a ruler. If you require a ring greater than 70mm in length. Please directly message with your measurements and l will create a ring to your requested size for you.