plastic bag, which can help to protect your clothes and other items in your luggage, you should also individually seal each container to prevent spills and leaks. to better seal liquids, unscrew the lid from the container, and cover the opening tightly with cling film. replace the lid over the cling film, and screw it firmly in place. the cling film will help to protect your liquids and prevent spills. an alternative is a simple piece of tape over the lids, which will generally hold them down tight.
it can help to think of packing as a two-phase procedure. at home, you are packing for your first phase of travel, which 