Using this backpack is a breeze. You can put your daily essentials like books, notebooks, and a water bottle in it. The main zipped compartment is great for larger items, and the internal pocket is perfect for keeping small things organized. The external small zipped pocket is handy for quick - access items like keys or cards. For the side mesh pockets, you can place your water bottle or other small items. When it comes to carrying, adjust the shoulder straps to your comfort level. As for maintenance, spot - clean the backpack with a mild detergent and a soft cloth. Don't machine - wash it to avoid damaging the print and the structure. Keep it away from sharp objects to prevent tears. And that's about it! Enjoy using your cool Panthers backpack.