1250 x 30000
1250 x 30000 = 37500000
Example of 1250 x 30000 pixels banner dimensions.
1200 x 30050 1210 x 30040 1220 x 30030 1230 x 30020 1240 x 30010
1250 x 29950 1250 x 29960 1250 x 29970 1250 x 29980 1250 x 29990
1250 x 30050 1250 x 30040 1250 x 30030 1250 x 30020 1250 x 30010