Heavy-duty durable frame: The lightweight steel frame provides unparalleled strength with a 350-pound weight capacity while weighing just over 7 pounds, The back folds down easily to a compact 15” x 17” x 5” package with an integrated molded plastic handle, Unique spring hinge allows supports the 16” back for a degree of backward lean that provides a more natural sitting position that relieves pressure on the lower back while sitting through the game.