310 x 12000
310 x 12000 = 3720000
Example of 310 x 12000 pixels banner dimensions.
260 x 12050 270 x 12040 280 x 12030 290 x 12020 300 x 12010
310 x 11950 310 x 11960 310 x 11970 310 x 11980 310 x 11990
310 x 12050 310 x 12040 310 x 12030 310 x 12020 310 x 12010