Elmer's Dry Erase Foam Boards, 20 x 30 Inches, White, 2-Count (950029) Creates a smooth and reusable writing surface Lightweight, durable, and easy to hang - Can also be cut into smaller sizes A fraction of the weight of traditional dry erase boards Perfect for calendars, presentations, meetings and temporary signage 20 x 30 inch size - Pack of 2 white dry erase foam boards