870 x 3790
870 x 3790 = 3297300
Example of 870 x 3790 pixels banner dimensions.
820 x 3840 830 x 3830 840 x 3820 850 x 3810 860 x 3800
870 x 3740 870 x 3750 870 x 3760 870 x 3770 870 x 3780
870 x 3840 870 x 3830 870 x 3820 870 x 3810 870 x 3800