720 x 30

720 x 30 = 21600

Example of 720 x 30 pixels banner dimensions.

670 x 80 680 x 70 690 x 60 700 x 50 710 x 40

720 x -20 720 x -10 720 x 0 720 x 10 720 x 20

720 x 80 720 x 70 720 x 60 720 x 50 720 x 40

730 x 40 740 x 50 750 x 60 760 x 70 770 x 80