878 x 21840
878 x 21840 = 19175520
Example of 878 x 21840 pixels banner dimensions.
828 x 21890 838 x 21880 848 x 21870 858 x 21860 868 x 21850
878 x 21790 878 x 21800 878 x 21810 878 x 21820 878 x 21830
878 x 21890 878 x 21880 878 x 21870 878 x 21860 878 x 21850