100% DRY ERASABLE - We use NANO premium erase film to do the lamination which prevents any stains or ghosts. it is super easy to wipe off writings even after leaving the writings on the calendar for months long. Just start using markers to do your plan as you want on this calendar because erasing is no longer a headache! Also the NANO film is waterproof so you may use a wet cloth to clean it easily. NEVER MISS ANYTHING IMPORTANT - This large 60"x38" undated 4-month calendar have large date box, each date box is 3.66x3.43 inches which means you will have enough space to write down daily tasks, you even could track down whole year things! And with a special notes section you will never miss anything important! BONUS ITEMS INCLUDED - We make sure all of your planning needs are covered. The calendar comes with 6 colored dry erase markers, so you may use your own color, an eraser ,1 self adhesive pen holder to hold all the markers and eraser perfectly , 16 thumbtacks and 16 removable mounting tapes help you install the calendar easily and won't hurt your wall at all. SHIPS ROLLED, EASY MOUNTING - Our Dry Erase Calendars are rolled by machine and shipped rolled in a sturdy tube with the accessories and supplies; ensures you never receive creased lines or wrinkles on your calendar. You can choose the included removable mounting tapes or the included thumbtacks to mount the calendar. They are both very easy to use and quite efficient. MARKERS INCLUDED - We make sure all of your planning needs are covered. The calendar comes with 6 color whiteboard markers, so you may use your own color to make plans. Large Dry Erase Wall Calendar 60" x 38" - Premium New Laminate - Blank Undated, Reusable & Erasable 4 Month Planner -Classroom, Office, Project & Family Schedule