content: I bought two of these, one red and one blue, for my wife and I traveling to the Philippines. I don't like to have to lug bags around, especially when we are going to be on and off planes, buses, taxis, jeepneys, multi-cabs, boats, etc in our travels.These bags are very good because they have backpack straps, and wheels. When fully packed they do make quite a big load on your back with the straps... but they work. Also, you can take the two parts apart and each has straps, so you can use part as a daypack as well.Overall, a very good and versatile design, of high quality and a great price.