Close menu Product information "Aluminum seat back for canoe bench" So that you don't tire so easily when paddling. The backrest is placed over the seat of your canoe (the thickness of the bench can be adjusted to 25 or 30 mm). The backrest is inclined backwards at a slight angle. Made of aluminium with polyester fabric covering. Dimensions: Height 440 mm x length 265 mm x width 330 mm.