Four (4) Moveable Weekly Sections Dry Erase Laminate Surface with Magnetic Backing Dry Erase Marker Included Flexible, for Flat or Contoured Surfaces Perfect for Refrigerator or File Cabinet Not just another dry erase calendar, ours lets you see the big picture. As each week ends, just rotate the completed week to the bottom, erase it and fill in dates and events that will be coming up. Every other calendar you have to finish the entire month, then erase the whole thing to fill in the next month's events. With our calendar you fill in one week at a time!