1280 x 18000
1280 x 18000 = 23040000
Example of 1280 x 18000 pixels banner dimensions.
1230 x 18050 1240 x 18040 1250 x 18030 1260 x 18020 1270 x 18010
1280 x 17950 1280 x 17960 1280 x 17970 1280 x 17980 1280 x 17990
1280 x 18050 1280 x 18040 1280 x 18030 1280 x 18020 1280 x 18010