Mobile Letterbox is similar to Square Letterbox. 9:16 aspect ratio with letterbox padding on the top and bottom. This can be great for Instagram stories wherein you can incorporate video/image slideshow along with the text keeping in mind your brand color.
Mobile Letterbox and Letterbox Top
About the 2 popular vertical video / mobile frames used for Instagram stories

Written by Matthew John
Updated over a week ago
Updated over a week ago