878 x 20820
878 x 20820 = 18279960
Example of 878 x 20820 pixels banner dimensions.
828 x 20870 838 x 20860 848 x 20850 858 x 20840 868 x 20830
878 x 20770 878 x 20780 878 x 20790 878 x 20800 878 x 20810
878 x 20870 878 x 20860 878 x 20850 878 x 20840 878 x 20830