850 x 3780
850 x 3780 = 3213000
Example of 850 x 3780 pixels banner dimensions.
800 x 3830 810 x 3820 820 x 3810 830 x 3800 840 x 3790
850 x 3730 850 x 3740 850 x 3750 850 x 3760 850 x 3770
850 x 3830 850 x 3820 850 x 3810 850 x 3800 850 x 3790