Bumper ads on YouTube

On YouTube, there are several types of ads that may appear during or next to videos.

A bumper ad is a non-skippable video ad format created to extend the reach of a campaign. It appears before the video the user has chosen to view.
Sold on a CPM basis, Bumper ads perform well on mobile devices.
Maximum video length is 6 seconds.
Bumper ads play for up to 6 seconds and appear on computers, mobile devices, TVs, and game consoles.