What is Carry On Luggage or Baggage?

any bag you carry on to the plane. It can be a backpack, suitcase, bag, tote, case. Some have wheels, some don’t. The only feature that distinguishes a carry on is its size

because it has to be able to fit into the airplane’s overhead locker.

Most airlines allow you to also carry on a small personal item, such as purse or laptop.