From quick reminders to a day's worth of assignments, plain dry erase boards are the workhorse of any busy household, school, or workplace. Our frameless boards do the job at a fraction of the cost of framed boards and come in a convenient set with colored markers and erasers. Ideal for quick response lessons and games. Easy to hold. Each set contains 12 boards, 12 erasers, and 12 pens; 3 of each color - blue, green, red, and purple. Boards measure 9" x 12".