Trying to save some money on a large baggage check bill on our Disney trip, we bought smaller suitcases for 2 kids 5 and 7 that can go as carryon. However, they are also planning to bring small backpacks. Now according to Westjet website you can have one carry on and one "personal" item, and suitcases and backpacks are both listed as examples of carryons. Has anyone had an experience like this and do you know how flexible Westjet is with the definition of "personal items". If a backpack is small enough to fit under a seat would it qualify? Thank you.