Using this shampoo basin is easy. First, adjust the size to fit your needs. Then, place it where you want to wash your hair. If you're using it while sitting, make sure it's stable. When you're done, simply fold it up for storage. As for maintenance, you can wash it with mild soap and water after each use. Keep it in a dry place to prevent mold. Also, be gentle when folding and unfolding to avoid damaging the material. Remember, this basin is designed for comfort, so take your time and enjoy a hassle - free hair - washing experience.