1284 x 21000
1284 x 21000 = 26964000
Example of 1284 x 21000 pixels banner dimensions.
1234 x 21050 1244 x 21040 1254 x 21030 1264 x 21020 1274 x 21010
1284 x 20950 1284 x 20960 1284 x 20970 1284 x 20980 1284 x 20990
1284 x 21050 1284 x 21040 1284 x 21030 1284 x 21020 1284 x 21010