400 x 3750
400 x 3750 = 1500000
Example of 400 x 3750 pixels banner dimensions.
350 x 3800 360 x 3790 370 x 3780 380 x 3770 390 x 3760
400 x 3700 400 x 3710 400 x 3720 400 x 3730 400 x 3740
400 x 3800 400 x 3790 400 x 3780 400 x 3770 400 x 3760