990 x 3920
990 x 3920 = 3880800
Example of 990 x 3920 pixels banner dimensions.
940 x 3970 950 x 3960 960 x 3950 970 x 3940 980 x 3930
990 x 3870 990 x 3880 990 x 3890 990 x 3900 990 x 3910
990 x 3970 990 x 3960 990 x 3950 990 x 3940 990 x 3930