720 x 40000
720 x 40000 = 28800000
Example of 720 x 40000 pixels banner dimensions.
670 x 40050 680 x 40040 690 x 40030 700 x 40020 710 x 40010
720 x 39950 720 x 39960 720 x 39970 720 x 39980 720 x 39990
720 x 40050 720 x 40040 720 x 40030 720 x 40020 720 x 40010