Using this dry pack is a breeze. First, open the roll - top closure and place your items inside. Then, roll down the top tightly to create a waterproof seal. The side mesh pockets are perfect for storing small items like keys or snacks, so you can easily reach them. When it comes to maintenance, simply wipe it down with a damp cloth after use to keep it clean. Avoid using harsh chemicals as they might damage the fabric or the waterproofing. Also, don't overstuff the pack as it could affect the closure's ability to keep water out. If you're going to store it for a long time, make sure it's completely dry to prevent mold growth.