840 x 25840

840 x 25840 = 21705600

Example of 840 x 25840 pixels banner dimensions.

790 x 25890 800 x 25880 810 x 25870 820 x 25860 830 x 25850

840 x 25790 840 x 25800 840 x 25810 840 x 25820 840 x 25830

840 x 25890 840 x 25880 840 x 25870 840 x 25860 840 x 25850