400 x 12800
400 x 12800 = 5120000
Example of 400 x 12800 pixels banner dimensions.
350 x 12850 360 x 12840 370 x 12830 380 x 12820 390 x 12810
400 x 12750 400 x 12760 400 x 12770 400 x 12780 400 x 12790
400 x 12850 400 x 12840 400 x 12830 400 x 12820 400 x 12810