688 x 20000
688 x 20000 = 13760000
Example of 688 x 20000 pixels banner dimensions.
638 x 20050 648 x 20040 658 x 20030 668 x 20020 678 x 20010
688 x 19950 688 x 19960 688 x 19970 688 x 19980 688 x 19990
688 x 20050 688 x 20040 688 x 20030 688 x 20020 688 x 20010