Leaderboard 728 x 90 pixels 30k maximum file size
Expandable Leaderboard 728 x 210 pixels 40k maximum file size
Interstitial 640 x 480 pixels 40k maximum file size
Skyscraper 160 x 600 pixels 30k maximum file size
Medium Rectangle and Pop Under 300 x 250 pixels 30k maximum file size
Small Rectangle 300 x 100 pixels 20k maximum file size
