Ideal for a wide variety of applications, including score keeping, word walls, comparing and contrasting, and spelling lists. Reusable Wipe-Offr surface allows you to customize your presentation. Sized for distance viewing. Bonus on back: activities, information, and ideas for making learning fun. Big and durable: 22'' x 28''. Use with TREND Wipe-Offr Crayons and Markers (not included).