1400 x 30000
1400 x 30000 = 42000000
Example of 1400 x 30000 pixels banner dimensions.
1350 x 30050 1360 x 30040 1370 x 30030 1380 x 30020 1390 x 30010
1400 x 29950 1400 x 29960 1400 x 29970 1400 x 29980 1400 x 29990
1400 x 30050 1400 x 30040 1400 x 30030 1400 x 30020 1400 x 30010