Pool Side Bleachers -3-Rows -21'Long -Seats 42 -Weight -343lbs. Anodized Aluminum angle understructure 6" rise/row, Single 2 X 10 anodized aluminum seat plank, 2 X 10 anodized aluminum foot plank, 5" casters with non-marring wheels, Stainless steel hardware, Non-marring rubber foot pads