878 x 23840
878 x 23840 = 20931520
Example of 878 x 23840 pixels banner dimensions.
828 x 23890 838 x 23880 848 x 23870 858 x 23860 868 x 23850
878 x 23790 878 x 23800 878 x 23810 878 x 23820 878 x 23830
878 x 23890 878 x 23880 878 x 23870 878 x 23860 878 x 23850