638 x 21000
638 x 21000 = 13398000
Example of 638 x 21000 pixels banner dimensions.
588 x 21050 598 x 21040 608 x 21030 618 x 21020 628 x 21010
638 x 20950 638 x 20960 638 x 20970 638 x 20980 638 x 20990
638 x 21050 638 x 21040 638 x 21030 638 x 21020 638 x 21010