870 x 2940
870 x 2940 = 2557800
Example of 870 x 2940 pixels banner dimensions.
820 x 2990 830 x 2980 840 x 2970 850 x 2960 860 x 2950
870 x 2890 870 x 2900 870 x 2910 870 x 2920 870 x 2930
870 x 2990 870 x 2980 870 x 2970 870 x 2960 870 x 2950