Using this Ortlieb top tube bag is a breeze. First, you can choose to attach it to your bike's top tube either with the perforated straps or by directly mounting it. Make sure it's firmly in place using the Tube - Lock system so it won't move around during your ride. When you need to access your belongings, just open the magnetic lid quickly. You can run your device cables through the integrated cable outlet on the lid. To keep small things like keys or cards organized, use the inner mesh pocket. As for maintenance, after your ride, wipe the bag down with a damp cloth to remove dirt and grime. Since it's made of PU - coated nylon, avoid using harsh chemicals that could damage the coating. If it gets wet, let it dry naturally. This bag is designed to be durable, but handle it gently to ensure it lasts a long time.