Using your della Q Maker's Mustard Midi Backpack is a breeze. First, open the main compartment and place your crafting projects inside. You can also use the interior and exterior pockets to store small items like scissors, needles, or threads. When you're on the go, grab the top handle or put on the shoulder straps for easy carrying. As for maintenance, simply wipe the backpack with a damp cloth if it gets dirty. Avoid using harsh chemicals as they might damage the fabric. Keep it in a dry place when not in use to prevent mold and mildew. Enjoy your crafting adventures with this amazing backpack!