1388 x 21000
1388 x 21000 = 29148000
Example of 1388 x 21000 pixels banner dimensions.
1338 x 21050 1348 x 21040 1358 x 21030 1368 x 21020 1378 x 21010
1388 x 20950 1388 x 20960 1388 x 20970 1388 x 20980 1388 x 20990
1388 x 21050 1388 x 21040 1388 x 21030 1388 x 21020 1388 x 21010