Handheld Line Graph Dry Erase Boards 11" x 17". Printed graph on one side of the board and a white Melamine dry erase writing surface on the reverse side. The grid pattern has bold axis lines with a ghosted gray grid pattern with a slightly bolder line every 5 rows and every 5 columns. These boards are great for teaching line graphs and bar charts.

Tip: It is not recommended to clean these boards with anything containing ammonia which is found in most glass cleaners.
It is not recommended to use damp / wet erase markers with these boards. If it is necessary to use wet-erase markers, erase clean with a damp cloth within 24 hours.