Banded is a marking that puts an unbreaking band or several of a single color around the centaurian. These bands can have a ring of color on the outside of each as well (Like clownfish).
This marking is Recessive and will only show if passed from both parents. (NBA/NBa/Nba)
If only passed from one parent it will be carried but not be allowed to show. (nBa/nba)