Albert Barnes Commentary Jeremiah 49:29

"Their tents and their flocks shall they take; they shall carry away for themselves their curtains, and all their vessels, and their camels; and they shall cry unto them, Terror on every side!" — Jeremiah 49:29 (ASV)

Curtains - The hangings of the tents.

Fear is on every side - Magor-missabib (see Jeremiah 6:25 note); a cry, indicating the panic which followed the unexpected onset of the enemy.