Organize your classroom or home with our magnetic chalkboard style column headers. Use these pre-printed time savers for DIY calendars on whiteboards, steel lockers, refrigerators, and more. Die-cut headers easily punch out from 8.5" x 11" sheet. Includes 12 pieces per pack, 1 header per month. Sold as 6 packs for a total of 72 pieces, 6 headers per month.