870 x 3770
870 x 3770 = 3279900
Example of 870 x 3770 pixels banner dimensions.
820 x 3820 830 x 3810 840 x 3800 850 x 3790 860 x 3780
870 x 3720 870 x 3730 870 x 3740 870 x 3750 870 x 3760
870 x 3820 870 x 3810 870 x 3800 870 x 3790 870 x 3780