Sizes: Most usual sizes for portrait: 320x480, 640x960, 1080x1920 and landscape: 480x320, 960x640, 1920x1080

Description: Interscroller ad is placed in the middle of the web page content and is revealed while the web page is scrolled. By default, a creative occupies the entire width of the browser window while its height can be set as a percentage of the viewport height

CTR level: positioning dependent

Vieability rate: positioning dependent