Cruise packing tips: As you’re packing for a cruise vacation and making a checklist of what to pack and thinking about your outfits, don&#x27;t bring anything that&#x27;s not allowed on a cruise ship! List of policies for popular cruise lines, like Carnival, Royal Caribbean, Princess, Disney, and Norwegian, which makes a good reference if it’s travel for a first time cruise. You don&#x27;t want to get upset on embarkation day when security takes away a prohibited item in the name of safety at sea!