Yes, that's what it is. You can throw it away.Looks like the case that the humidity sensor is packaged in before installation.
Be sure to drink your Ovaltine.No! Say it ain’t so! l’ve been holding onto the same thing since I purchased my 2021 in late July hoping that was the magnifying glass to the **** (Forum stars out the Nick name of Richard) Tracy decoder ring Ram was going to send me. (You young fellas can Google it)