Lined Stove BoardRug Saver. Walnut woodgrain design. Constructed of bonderized steel, profiled with rounded corners, and fiberboard lined. Non-UL stoveboard. Woodgrain. 3-pack.No. L2832WW-3: 28 IN x 32 IN x 3/8 INNo. L3242WW-3: 32 IN x 42 IN x 3/8 INNo. L3636WW-3: 36 IN x 36 IN x 3/8 INNo. L3652WW-3: 36 IN x 52 IN x 3/8 IN