onversation Pieces™ come blank for you to leave messages, draw or write. Simply erase with a cloth or tissue to begin again. A small hole on the back is for easy hanging. I even supply the nail and a dry erase marker. They are roughly 6” to 7” in diameter and about 2” deep. They can be ordered with the pointer facing either left or right. If you are buying two, I recommend purchasing one of each.