I bought this to combine with the Osprey daylite travel backpack and I have to say this thing is incredible. This system has been all over the world with me and allowed me to carry much more than I could with a regular suitcase. Also it fits on my back and allows me to get through all of the trains and public transportation offered in other parts of the country without having to drag a suitcase around cobble streets. I can move quickly and efficiently through the cities and get to my destination with all my belongings attached to me.