Keep your months on track! With all-weather paper, the Rite in the Rain Undated Monthly Desk Calendar will keep your appointments safe from everything from a dirt-filled work environment to your morning coffee. The oversized 20”x 16” format comes with plenty of room for all of your appointments. An additional section provides room for notes and phone numbers. Start your calendar at the date of your choice with undated sheets. Perforated sheets make removing each page a breeze. This perfect desk companion can also be hung on a wall using the metal grommets.