This conviction bag with ample space to hold the necessary things when go to school, and also can be used as a travelling bag for short travel.it is made up of durable polyster. tThe main pocket is large enough to hold your books with some room to spare. The small outside pocket will hold any size phone .the straps is strong and has a sliding comfort pad that helps protect your shoulder.it is easier and more convenient for everyone to take with .with plenty of space for books, workout clothes, or the day's provisions (and no extra clutter), the superbreak works as nicely in the commuter circuit as it does on campus.