688 x 40000
688 x 40000 = 27520000
Example of 688 x 40000 pixels banner dimensions.
638 x 40050 648 x 40040 658 x 40030 668 x 40020 678 x 40010
688 x 39950 688 x 39960 688 x 39970 688 x 39980 688 x 39990
688 x 40050 688 x 40040 688 x 40030 688 x 40020 688 x 40010