[EricH]

Originally Posted by dodar

Are they both not paper?

Confetti is rather more expected. It would be in the venue paperwork somewhere that "yeah, verily, we intend to release a cloud of confetti at some point during this event" and the venue would then go "Oh, yeah, these guys plan to release confetti, we'll need extra man-hours to clean that up, not a big deal" and either plan more time or plan more personnel.

Paper airplanes, on the other hand... ain't nobody gonna know they're comin' from the venue side, or at least that's what you should expect.