Using this backpack is a breeze. You can put your books, clothes, or sports gear in the main zipped compartment. Use the internal pocket for small important items like keys or cards. The external small zipped pocket is great for quick - access things like your phone or wallet. The side mesh pockets are perfect for holding water bottles. When you carry it, adjust the shoulder straps to fit you comfortably. As for maintenance, you can spot - clean it with a mild detergent and a soft cloth when it gets dirty. Avoid machine - washing to prevent damage to the print and the structure of the backpack. Keep it in a dry place when not in use to make it last longer.