It can be stored at room temperature and can be made with just a microwave and a mug. Product contents: Shiratama mochi: glutinous rice (produced in Niigata Prefecture), non-glutinous rice (produced in Niigata Prefecture) / glycine, pH adjuster Bean paste: red beans (produced in Japan), sugar, reduced starch syrup, salt / glycine. Instructions: Store away from direct sunlight and in a cool, dry place.