288 x 75000
288 x 75000 = 21600000
Example of 288 x 75000 pixels banner dimensions.
238 x 75050 248 x 75040 258 x 75030 268 x 75020 278 x 75010
288 x 74950 288 x 74960 288 x 74970 288 x 74980 288 x 74990
288 x 75050 288 x 75040 288 x 75030 288 x 75020 288 x 75010