9x12 Two Sided Magnetic Red & Blue Ruled Magnetic Dry Erase Boards Mr. Pen Mini Dry Erase Eraser, 24 Pack, Pastel Green, Magnetic Dry 9 x 12 Two Sided Magnetic Red & Blue Ruled Magnetic Dry Erase Boards Amazon.com: Sweetcrispy Magnetic Dry Erase Board, 36 X 24 Inches. Organize tasks and notes effortlessly with this light blue magnetic dry erase board. It features a handy integrated shelf for storing accessories. Includes a magnetic marker with an eraser and a decorative fruit shaped magnet. Ideal for home or office use.