List of Supported, IAB Compatible Creatives Formats:

Banners:

Dimensions	Size	Types	Name
120x20	100KB	png, jpg, gif	Small Banner
300x50	100KB	png, jpg, gif	Standard Banner
320x50	100KB	png, jpg, gif	Standard Banner+
320x100	100KB	png, jpg, gif	Large Banner
320x50	100KB	png, jpg, gif	Mobile Leaderboard
468x60	100KB	png, jpg, gif	Medium Leaderboard
728x90	200KB	png, jpg, gif	Big Leaderboard
300x250	200KB	png, jpg, gif	Medium Rectangle
200x200	200KB	png, jpg, gif	Small Square
250x250	200KB	png, jpg, gif	Square

Interstitials:

Dimensions	Size	Types	Name
768x1024	200KB	png, jpg	Portrait 4:3 Interstitial
1024x768	200KB	png, jpg	4:3 Interstitial
1280x720	200KB	png, jpg	Portrait HD Interstitial
720x1280	200KB	png, jpg	HD Interstitial
1280x800	200KB	png, jpg	Portrait HD+ Interstitial
800x1280	200KB	png, jpg	HD+ Interstitial
1920x1080	200KB	png, jpg	Portrait FHD Interstitial
1080x1920	200KB	png, jpg	FHD Interstitial

Video:

Dimensions	Size	Types	Name
1280x720	50000KB	mp4, avi	Video 30fps / 6s
1280x720	50000KB	mp4, avi	Video 30fps / 15s
1280x720	50000KB	mp4, avi	Video 30fps / 30s
1920x1080	50000KB	mp4, avi	Video 30fps / 6s
1920x1080	50000KB	mp4, avi	Video 30fps / 15s
1920x1080	50000KB	mp4, avi	Video 30fps / 30s