1200 x 3870
1200 x 3870 = 4644000
Example of 1200 x 3870 pixels banner dimensions.
1150 x 3920 1160 x 3910 1170 x 3900 1180 x 3890 1190 x 3880
1200 x 3820 1200 x 3830 1200 x 3840 1200 x 3850 1200 x 3860
1200 x 3920 1200 x 3910 1200 x 3900 1200 x 3890 1200 x 3880