878 x 3840

878 x 3840 = 3371520

Example of 878 x 3840 pixels banner dimensions.

828 x 3890 838 x 3880 848 x 3870 858 x 3860 868 x 3850

878 x 3790 878 x 3800 878 x 3810 878 x 3820 878 x 3830

878 x 3890 878 x 3880 878 x 3870 878 x 3860 878 x 3850