Using this cross - body bag is a breeze. Simply adjust the strap to your desired length and put it over your shoulder. You can use it for carrying your daily essentials like your phone, wallet, and keys. When it comes to maintenance, use a soft, dry cloth to wipe the bag clean. Avoid exposing it to excessive sunlight or moisture as it may damage the PU material. If there are any stains, gently clean them with a mild soap solution. Be careful when using the zipper to prevent it from getting stuck. With proper care, this bag will serve you well for a long time.