# 23.5 x 26 inches # 1" Squares on one side, 1" Hexes on the other. # Useful for nearly every roll playing game (RPG) and miniature game available today # Chessex mats are made from expanded vinyl to bring you the highest quality mat currently available # Write on the mat using WET erase markers - such as crayola washable markers - and erase with a damp paper towel or a mild detergent solution.