280 x 3920
280 x 3920 = 1097600
Example of 280 x 3920 pixels banner dimensions.
230 x 3970 240 x 3960 250 x 3950 260 x 3940 270 x 3930
280 x 3870 280 x 3880 280 x 3890 280 x 3900 280 x 3910
280 x 3970 280 x 3960 280 x 3950 280 x 3940 280 x 3930