OptiMA® Dry Erase Grid Boards with grids, graphs, and lines are perfect for scheduling or teaching with XY Cartesian grids. Made with our exclusive OptiPrint® method, these boards deliver a premium dry erase surface that resists ghosting and ensures durability. Available in magnetic or non-magnetic options, sizes range from student lap boards to 4' x 8' wall-mounted boards. Customization options include grid sizes, headings, column widths, and full-color designs to suit your needs.