Native, Banner and Interstitial Image Ad
Official
PlacementAudience Network Native, Banner and Interstitial
Dimensions1080×1920
Aspect ratio9:16
FormatImage
File typeJPG, PNG
File sizeUp to 30MB
Minimum398×208 pixels (as listed by Meta)
Text
Primary: 125 characters
Headline: 40 characters
Description: 30 characters
Status
Official specification
Reviewed
NotesMeta recommends 9:16 while also listing a 398×208 minimum; keep ratio and minimum as separate requirements.