Plans change! With these 12 perpetual grids, you can write, erase, and reschedule any time! The calendar that lasts forever - enjoy 12 recurring dry erase months in a big grid format with room for family schedules, meal plans and appointments. Includes bonus weekly pages and space for contacts and phone numbers.Details:Black and white12" x 12" folded sizeUndated 12 month layoutBonus weekly and contact pagesBig grid formatStrong, durable pagesDry erase