280 x 12000
280 x 12000 = 3360000
Example of 280 x 12000 pixels banner dimensions.
230 x 12050 240 x 12040 250 x 12030 260 x 12020 270 x 12010
280 x 11950 280 x 11960 280 x 11970 280 x 11980 280 x 11990
280 x 12050 280 x 12040 280 x 12030 280 x 12020 280 x 12010