This extra-heavy duty aluminum foil comes in a box with a standard cutting edge. It is good for use in cooking, serving and freezing food. Lining pans with roll before cooking makes cleanup easy. Use for grilling to lock in flavor and for freezing to prevent freezer burn. Material(s): Aluminum; Length: 500 ft; Width: 18 in. ~ Includes 1 aluminum foil roll in cutter box.REY632. 632. Reynolds Reynolds Metal 632 Extra Heavy Foil Rolls, 18" x 500".