Using this Hatsune Miku face shoulder bag is a breeze. Just open the bag and put your essentials like your phone, wallet, and keys inside. You can carry it on your shoulder comfortably for everyday use, like when you're going to school, work, or out shopping. When it comes to cleaning, use a soft, damp cloth to gently wipe the surface. Avoid using harsh chemicals as they may damage the bag's design. Also, store it in a cool, dry place when you're not using it to keep it in good condition.