320 x 15000
320 x 15000 = 4800000
Example of 320 x 15000 pixels banner dimensions.
270 x 15050 280 x 15040 290 x 15030 300 x 15020 310 x 15010
320 x 14950 320 x 14960 320 x 14970 320 x 14980 320 x 14990
320 x 15050 320 x 15040 320 x 15030 320 x 15020 320 x 15010