Instruct: Classify a given review as either positive or negative.
Query: cool, good and tough

I bought this bag about a year and take it to work every weekday. It is holding up great. It holds a lot and does not get disfigured from all manner of heavy books, food, or computers. My only complaint is that the zippers are noisy when you carry it if you zip them to the ends, which is the normal way to do it. I have to remind myself to zip them to the middle so they don't make all manner of noise. But that's a picky complaint. It's a good bag, you won't be disappointed.