1388 x 40000
1388 x 40000 = 55520000
Example of 1388 x 40000 pixels banner dimensions.
1338 x 40050 1348 x 40040 1358 x 40030 1368 x 40020 1378 x 40010
1388 x 39950 1388 x 39960 1388 x 39970 1388 x 39980 1388 x 39990
1388 x 40050 1388 x 40040 1388 x 40030 1388 x 40020 1388 x 40010