Tempered glass magnetic dry erase calendar is highly durable. It provides smooth writing and erases cleanly after every use without ghosting or staining. The frameless single month design is a good fit for any office. Write down appointments or post notes using magnets. Simple and secure horizontal wall mounting. Occasional cleaning is recommended for best performance. Board Type: Magnetic Dry Erase Calendar. Board Width: 36 . Board Height: 24 . Surface Material: Glass. Unit of Measure : Each