Made By Goal Sporting Goods. Heavy-duty bleachers are portable with 10 wide aluminum seats with non-skid surface. All aluminum planks are finish welded on ends for a clean look that is durable and safe. Framework understructure is heavy-duty galvanized steel with front and rear cross braces to stabilized frame. Understructure is robotically welded and hot dipped galvanized. All bleachers are shipped by truck, disassembled.