This is a brocade amulet bag made of pure silk. Each one is individually packaged. There may be slight variations in width and height. It can be opened and closed by loosening the string. *This product does not contain cardboard inside. Perfect for passing entrance exams, praying for victory in club activities, etc. You can write your wishes or goals and put them inside, or add a message and give it as a gift. Also suitable for holding power stones or carrying salt.