This dry erase board weekly calendar is a must - have for busy families and individuals. Measuring 16.5"x11", it's perfect for wall or fridge mounting on any smooth surface. The back has adhesive; just remove the blue film before sticking it on. With 13 lines per day for 8 am - 8 pm scheduling, it helps you plan your week in detail. There are small boxes for status symbols, 4 color - coded keys for task identification, and a one - week custom tracker. It's non - magnetic but contains iron powder, so magnetic markers, eraser, and pen holder can stick to it. The package includes a planning board, 4 markers, 1 eraser, and 1 pen holder. Use only whiteboard pens and store them tip down. It can be used as a weekly planner, work schedule board, meal planner, etc., making it easy for everyone to stay on top of their schedules and never miss important dates. Material: Plastic.