I've worked on cruise ships for years. Here are 6 things passengers should pack and 5 they shouldn't.

I (not pictured) have gotten very good at packing for cruises after working on many of them.

Jeff R Clow/Getty Images

• After working on cruise ships for many years, I know what travelers should and shouldn't pack.
• Always bring sunscreen, hats, motion-sickness medicine, and comfortable walking shoes.
• It's probably not worth packing beach towels, really high heels, or drones in your suitcase.

After about a decade of working on cruise ships, I've helped a lot...