Using this Hooey backpack is a breeze. First, open the drawstring closure to access the main compartment. You can put your books, clothes, or other large items inside. Use the padded laptop sleeve to safely store your laptop. Put your tech gadgets like chargers and earphones in the side tech pocket. If you're carrying a water bottle, place it in the side hydro pocket. The sternum strap can be adjusted to fit your body for better balance. When it rains, attach the detachable rain cover to protect your stuff. As for maintenance, clean the backpack with a mild soap and water when it gets dirty. Don't use harsh chemicals as they might damage the fabric. Air - dry it in a well - ventilated area. And remember, the patented hat strap is designed to hold your hat securely, so make sure it's fastened properly to keep your hat in place.