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, one-month design is a good fit for any office. Write down appointments or post notes using magnets. Hardware is included for simple and secure wall mounting. Occasional cleaning is recommended for best performance. One marker and magnets included. One Month. Board Surface Type(s): Dry Erase; Magnetic Board Surface: Yes; Surface Use Rating: Heavy/Frequent Use; Surface Material: Tempered Glass.