870 x 15000
870 x 15000 = 13050000
Example of 870 x 15000 pixels banner dimensions.
820 x 15050 830 x 15040 840 x 15030 850 x 15020 860 x 15010
870 x 14950 870 x 14960 870 x 14970 870 x 14980 870 x 14990
870 x 15050 870 x 15040 870 x 15030 870 x 15020 870 x 15010