850 x 4500
850 x 4500 = 3825000
Example of 850 x 4500 pixels banner dimensions.
800 x 4550 810 x 4540 820 x 4530 830 x 4520 840 x 4510
850 x 4450 850 x 4460 850 x 4470 850 x 4480 850 x 4490
850 x 4550 850 x 4540 850 x 4530 850 x 4520 850 x 4510