This page contains information regarding Star Trek: Lower Decks, and thus may contain spoilers.
Plastic film was used to wrap and protect a new product until it arrived at an end user.
In 2380, after Captain Dayton was assigned to a newly built starship, the USS Solvang, she was adamant about keeping it in pristine condition for as long as possible after having lost the USS Rubidoux. She expressed frustration that someone had peeled the protective film off of the control panel on her captain's chair. (LD: "No Small Parts")