Okay, I heard you. You are right a bag to use for travel is called "traveling bag". Haha! Isn't it that awesome when we have a bag suits to what we want? I mean, who do not want a convertible rolling briefcase like that below? Alright I leave that to you what your answer with that, but for sure one want to have a rolling stuff when there will a hike to be done just like in an airport walking distance going to give the ticket or travel documents to the service crew for clearing, isn't it? How much more if it is made up of genuine leather one. Yes, it is surely expensive but the quality would last for years. Ooh well, the traveler's life is definitely fun.
Keep going, just remember that "a journey of thousand miles begins with a single step". Get the best travel bag which suits of what you feel comfortable and feel good while you are traveling. I hope you all the best. ;-)