Flipside 1/4in Graph Non-Magnetic Unframed Dry-Erase Whiteboards, 16in x 11in x 1/8in, White/Blue, Pack Of 4

Graphing practice on dry erase saves paper! Bold lines separate board into quadrants each 20 squares by 20 squares, total grid is 40 squares by 40 squares. Individual squares measure 1/4in x 1/4in. Plain work space is 11in x 5-1/4in. Boards feature non-ghosting dry erase surface with rounded corners and smooth edges for safety and comfort. Durable hardboard backing is warp and chip resistant. Measures 11in x 16in x 0.125in.