This heavy cardstock calendar has 13 monthly calendar pages to decorate, color and illustrate. Make Your Own Photo Calendar, Make Your Own Specialty Calendar to fit your needs. These make excellent gifts. You can use them for tracking hours. Track school work/time, drivers hours, work, etc.. So many uses for these blank calendars, Give the bride and groom a photo calendar depicting their family with all the birthdays and anniversaries included:) Spiral bound.