Others, however, may rely on plastic. For about $15 per bag, luggage wrapping companies such as Seal & Go, TruStar and Secure Wrap encase suitcases in multiple layers of Saran Wrap-like plastic.

They’re even more common abroad; one Miami-based company, Secure Wrap, has more than 500 employees wrapping luggage at airports across 17 different countries.

They’re even more common abroad; one Miami-based company, Secure Wrap, has more than 500 employees wrapping luggage at airports across 17 different countries.