As hand luggage really good. One gets under a great deal. However (plastic unfortunately) the rolls are very noisy at all on the street. Here tires would fit better. The ability to use this bag as a trolley and a backpack, is a very good idea, but in need of improvement: The rollers press in the hips, just as the boom, which is unpleasant in the back with time. The harness is well hidden, but here definitely missing an attachment for the rear part, the one always falls towards the take down of the "backpack". Nevertheless, I use it every week- because it "is Sportrucksack Trolley" my