Plans change! With these 12 perpetual grids, you can write, erase, reschedule any time! The calendar that lasts forever - enjoy 12 recurring 12" (w) x 17" (h) dry erase months-perfectly sized for your fridge or home “command center". Featuring large grid spaces for family schedules, meal plans and appointments and has double sided dry erasable pages with extra room for notes, doodles, contact info and more!