This 84 inch concrete bench has durable steel-reinforced concrete legs and redwood slats for seat and back. The slats are 2 3/8 inch wide x 1 1/2 inch thick, 84 inch long. Great Bench for trails and outdoor activity areas such as bike trails. Full 7 feet will serve to rest the trail weary. 4 x 4 redwood is very durable and resists insect damage while very attractive. The reinforced concrete frame will last years and support the toughest customers.