Facebook stories ads show in between user’s Stories and can be either video or images. Video stories ads can be up to 15 second long and image stories ads can show up to 5 images.
Specs & Tips:
Image
Aspect ratios: 9:16 to 1.91:1
Maximum duration: 6 secs
Maximum file size: 30 MB
Supported image types: .jpg, .png
Video
Aspect ratios: 9:16 to 1.91:1
Maximum duration: 15 secs
Maximum file size: 4 GB
Minimum video width: 500px
Supported video types: .mp4, .mov
DON'T MISS A THING.
Get the latest on paid media delivered straight to your inbox.