Tinksky Hanging Wooden Blackboard Wordpad Message Board - Rectangle Shaped Color: Wood color, black. Material: Wood. Size: about 19.7 * 16.3cm. Can be hung on the wall to display table numbers, menus or greetings. You can also write down the point information on the blackboard to remind yourself something important or leave a message to your family, colleague, roommate. Attached to each mini blackboard with a string so it can easily be displayed anywhere.