Here is Sandy City's official description of new filag option b:
Blue for sky. Green for mountains. White for greatest snow. 8 outer points & 7 inner points on sun indicates 1871 year founded. Reflection of mountains and Sandy sunrises. Harkens to our city logo. 8-point sun symbolizes Utah's eight tribal nations.
What do you think?
If you like, you can vote for it on Sandy's official website. Vote here