1260 x 21600
1260 x 21600 = 27216000
Example of 1260 x 21600 pixels banner dimensions.
1210 x 21650 1220 x 21640 1230 x 21630 1240 x 21620 1250 x 21610
1260 x 21550 1260 x 21560 1260 x 21570 1260 x 21580 1260 x 21590
1260 x 21650 1260 x 21640 1260 x 21630 1260 x 21620 1260 x 21610