1388 x 20000
1388 x 20000 = 27760000
Example of 1388 x 20000 pixels banner dimensions.
1338 x 20050 1348 x 20040 1358 x 20030 1368 x 20020 1378 x 20010
1388 x 19950 1388 x 19960 1388 x 19970 1388 x 19980 1388 x 19990
1388 x 20050 1388 x 20040 1388 x 20030 1388 x 20020 1388 x 20010