850 x 25000
850 x 25000 = 21250000
Example of 850 x 25000 pixels banner dimensions.
800 x 25050 810 x 25040 820 x 25030 830 x 25020 840 x 25010
850 x 24950 850 x 24960 850 x 24970 850 x 24980 850 x 24990
850 x 25050 850 x 25040 850 x 25030 850 x 25020 850 x 25010