30 mil Dry Erase White Magnet Sheet - 9" X 12" - 5 Pack 30 mil - White Dry Erase Magnet - 5 (Five) Sheets with Rounded Corners Gloss Finish - True Dry Erase Finish Don't be confused by competitors selling regular sign vinyl sheets as dry erase. Before you buy - make sure it is a dry erase product Wipes clean when using dry erase markers Magnets will not be attracted to the dry erase side