WEEKLY GROUPING:The cubes are organized by week (7 days in a row), removable weekly trays allow you to take out with a weeks worth of pills when traveling ORGANIZE MEDICINE PER MONTH:28 day pill organizer track your monthly medicine, BOLD letter marks remind you what to take by the day of the month,you just need to fill our pill organizer once a month BPA FREE & HEALTH FRIENDLY: Adopt food grade material for health care or medical use safely, transparent dispenser organizer and rainbow color make it easy to distinguish