This is a nice bag. It is tough and feels nice on my pack. I can place a water bottle in the front area where the yellow strip is.  It is made with thick material that seems like it can take a beating and keep on ticking. I can pack it pretty full with books and some other items, though I wouldn't recommend a laptop in it, since there is no padding for it.  The only complaint I have is the zippers on it. They are rather big and make a noise when walking, and there is no way to make them stop making noise, unless you don't zipper the bag. I say make the zippers out of a different material, or make them a little bit smaller, and it would be a perfect bag to just throw some things in and go on a short trip or a short hike.