Using this Incase Icon backpack is a breeze. First, you can put your 15' Macbook Pro in the laptop compartment and your iPad in the internal slip pocket. Your iPhone fits nicely in the external top - access pocket with the soft lining. Put your other tech accessories like chargers and earbuds in the organizer pockets of the secondary compartment. For easy access to power or audio on the go, use the hip - side Power Pocket. When carrying it, adjust the padded shoulder straps for the best comfort and fasten the sternum strap to keep it secure. As for maintenance, you can spot - clean the backpack with a mild detergent and a soft cloth. Avoid using harsh chemicals as they might damage the 840D nylon material. Also, don't overstuff it to keep its shape and ensure the straps don't get over - stretched. And when not in use, store it in a cool, dry place.