Instagram Stories Ads are a fully immersive experience in the instagram app. These ads fill the screen on instagram and can be image or video based. There is also a Stories carousel option to add multiple images or videos.
Specs & Tips:
File type: mp4, mov, jpg or png
Maximum File Size: 4GB (Video) 30MB (Photo)
Video Length: Max-120 seconds
Images show for 5 seconds by default
Recommended: 1080 x 1920 pixels
Min: 600 x 1067 pixels