Using this backpack is a breeze. Simply open the top - load design to quickly put in or take out your items. When packing, place your heavier items at the bottom for better balance. For your laptop and tablet, use the dedicated compartments to protect them. As for maintenance, clean it regularly with a soft, damp cloth. Avoid using harsh chemicals as they may damage the material. Also, don't overstuff the backpack to keep its shape. If you notice any loose stitching, repair it promptly to prevent further damage.