Google Gallery ads are a new ad type that consists of multiple scrollable images. Gallery ads appear one at a time and appear at the top of search results.
Specs & Tips:
Mobile placement only
Top placement on the Google Search SERP Swipeable carousel images (similar to a typical social ad format)
Get the best of search intent + display imagery More memorable than text ads Tell a story.
Highlight features with images 3 unique headlines 4-8 images (expanded to gallery upon click)
70 character taglines