The Board Dudes BDU13869UA1 Never fill in dates again. The ingenious design of this perpetual calendar saves you from that tedious task with a convenient spin dial that quickly and easily changes dates and the month. Designed for total flexibility, this board features a dry erase surface. The handy cork strip provides space to post memos, reminders. Hang in cubicles or on walls. Aluminum frame. Board Width: 36 in Board Height: 24 in Board Depth: N/A Surface Material: N/A.