To use this backpack, just unzip the main compartment or the front pocket to put your things inside. You can adjust the shoulder straps to fit your body comfortably. For carrying it around, you can use either the shoulder straps or the carry handle. When it gets dirty, simply wipe it clean with a damp cloth. Avoid using harsh chemicals as they might damage the polyester material. Also, don't overstuff the backpack to prevent it from getting misshapen. Keep it in a dry place when not in use to maintain its quality.