Eye catching decorative way of displaying rules and announcements Dry erase surface allows for quick changing of upcoming events Great for making lists, assigning jobs and chores or recognizing star students Poster sized at 17x22 inches is perfect for walls Look for other items in the Polka Dot collection This classroom essential is versatile, interactive, and time saving. You'll enjoy the reusable surface for customizing activities, projects, and presentations. Extra Value: Reproducibles on back and online. Durable. 17" x 22". Stores easily in a TREND File 'n Save System Chart Storage Box. For best results, use with TREND Wipe-Off Markers. Writes easy ... wipes clean. Perfect for all Wipe-Off products and most reusable surfaces. Low-odor, nontoxic ink. Durable medium-point tip.