858 x 25000
858 x 25000 = 21450000
Example of 858 x 25000 pixels banner dimensions.
808 x 25050 818 x 25040 828 x 25030 838 x 25020 848 x 25010
858 x 24950 858 x 24960 858 x 24970 858 x 24980 858 x 24990
858 x 25050 858 x 25040 858 x 25030 858 x 25020 858 x 25010