1218 x 16800
1218 x 16800 = 20462400
Example of 1218 x 16800 pixels banner dimensions.
1168 x 16850 1178 x 16840 1188 x 16830 1198 x 16820 1208 x 16810
1218 x 16750 1218 x 16760 1218 x 16770 1218 x 16780 1218 x 16790
1218 x 16850 1218 x 16840 1218 x 16830 1218 x 16820 1218 x 16810