plastic

Does anyone know if this little plastic piece comes out of the bigger piece? It's damaged and to replace the entire piece is over $500. I've circled it in blue.

Will the seasoned Telluride owners share their experiences with how durable the plastic on the sides of the cargo area is? I went to my local Kia dealership and they had a '20 SX model for me to check out the interior. Granted it had 17k miles so maybe it was treated terribly but I noticed a...