The rolling laptop bag itself should have distinct sections for your laptop and for accessories for example the charger, laptop mouse and other accessories. There ought to also be a larger section for the rest of your luggage, as the point of buying a rolling laptop bag in the first place is so that you can carry around more pieces of luggage. Have a look at the compartment for the laptop and see that it is adequately padded and has inflexible sides for security. Rolling laptop cases are often slightly weightier than other laptop cases so they are only a good choice if you do a great deal of travelling, and you regularly haul around large items in addition to as your laptop. For everyday use they are probably not the best idea and you may wish to have an extra laptop bag that is lighter and easier to carry.