I have arthritus and have problems walking long distances, this bag was so wonderful. You can push it much like a walker so the three airports I just came through were so much easier with "Big Red". I bought the bigger of the two suitcases so I could half pack it for weight and balance. It does not fall over, the wheels are very sturdy and pushing it was a dream. I could acutally lean into it with the handle and it glided me and my possesions through the airport. Escalators no problem. I love this suitcase. I have spent a small fortune on suitcases only to be disappointed, The only downside to it's beautiful red color is that luggage handlers got it filthy. But being big and red helped find it amongst tons of other suitcases. I should have sprayed it with scotchgard.