Using this backpack is a breeze. Open the main zipped compartment to store your larger items like books or clothes. The internal pocket is great for keeping small, important things organized, like your keys or wallet. The external small zipped pocket is perfect for quick - access items such as your phone or tickets. The side mesh pockets are designed to hold water bottles or small trinkets. When you wear it, adjust the shoulder straps to your comfort level. As for maintenance, you can spot - clean it with a mild detergent and a soft cloth. Avoid machine - washing as it might damage the print and the structure. Keep it in a dry place when not in use to prevent mold and mildew. Also, don't overstuff it to avoid putting too much strain on the zippers and seams.