870 x 3960
870 x 3960 = 3445200
Example of 870 x 3960 pixels banner dimensions.
820 x 4010 830 x 4000 840 x 3990 850 x 3980 860 x 3970
870 x 3910 870 x 3920 870 x 3930 870 x 3940 870 x 3950
870 x 4010 870 x 4000 870 x 3990 870 x 3980 870 x 3970