Whiteboards from OptiMA® are an essential tool in the classroom or workspace. Dry erase boards let you organize your thoughts, create visual demonstrations and instruct. We all know that they're an invaluable, creative tool. We have a full range of whiteboards for sale. Small, medium and extra-large. Full height walls and other dry erase writing solutions that will fit your decor. We have many quality brands such as our own OptiMA® Great White®, RitePlus® & RiteOn™. We also sell Marsh, Ghent and Best-Rite brands. All long-standing U.S. manufacturing companies. Magnetic vs. Non-Magnetic: Magnetic means that the board or surface is magnetic receptive. You can use magnets and other magnetic accessories. Non-magnetic boards are not magnetic receptive. You can't accept a magnet on them. Shop our huge selection of dry erase boards today. Find the solution that's right for your classroom or workspace.