Grillmaster natural pumice grill stones are odorless, tasteless scouring bricks that clean griddles without removing the cure, or imparting unpleasant odors or flavors to the grill. Grillmaster bricks are safe to store and use on food equipment. They have been the choice of professional chefs for over a quarter century. Brick size: 5 _ x 2 _ x 2 _. 12 per case