1200 x 3600
1200 x 3600 = 4320000
Example of 1200 x 3600 pixels banner dimensions.
1150 x 3650 1160 x 3640 1170 x 3630 1180 x 3620 1190 x 3610
1200 x 3550 1200 x 3560 1200 x 3570 1200 x 3580 1200 x 3590
1200 x 3650 1200 x 3640 1200 x 3630 1200 x 3620 1200 x 3610