1280 x 30000
1280 x 30000 = 38400000
Example of 1280 x 30000 pixels banner dimensions.
1230 x 30050 1240 x 30040 1250 x 30030 1260 x 30020 1270 x 30010
1280 x 29950 1280 x 29960 1280 x 29970 1280 x 29980 1280 x 29990
1280 x 30050 1280 x 30040 1280 x 30030 1280 x 30020 1280 x 30010