450 x 20000
450 x 20000 = 9000000
Example of 450 x 20000 pixels banner dimensions.
400 x 20050 410 x 20040 420 x 20030 430 x 20020 440 x 20010
450 x 19950 450 x 19960 450 x 19970 450 x 19980 450 x 19990
450 x 20050 450 x 20040 450 x 20030 450 x 20020 450 x 20010