These boards do double-duty allowing magnets to stick to the board for patterning and other activities and dry erase board feature allows students to write with dry erase pens to save paper. Magnetic pieces will adhere to these Magnetic Plastic Framed Whiteboards. Dry erase markers wipe cleanly from the surface. Plastic frame is ribbed for easy grasping and has rounded corners for safety. Large 9-1/2" x 13" (24 x 33cm) size is great for individual or small group use. Includes 6 pieces.