The SitBacker canoe seat fastens to canoe benches with a dual buckle strap system. BackComfort Technology adjusts the backrest to unlimited reclining positions. A shoulder strap with Auto-Fold Technology for easy opening, closing and carrying. The split contour seat is ideal for molded and flat canoe benches. Features a lumbar cushion, thick, padded seat and storage pocket. The SitBacker also features the Portage Lock that keeps the seat closed while carrying. Ideal for canoeing. Other uses include watching sports and camping.If youre looking for extension straps to fit around a larger bench, please click here.FEATURESBackComfort Technology for customized recliningSingle buckle Auto-Fold Technology with Portage Lock shoulder strap for easy opening, closing and carryingLumbar cushionDual buckle bench attachmentPowder-coated steel and polyester fabricSupports 250 lb (113.6 kg)Storage pocketOpen size: 12.2 x 16.5 x 17.9 in (31 x 42 x 45.5 cm)Seat width: 16.5 in (42 cm)Folded size: 3.7 x 16.3 x 16.5 in (9.5 x 41.5 x 42 cm)Unit weight: 2.9 lb (1.3 kg)Seat strap length: 17 in (43.2 cm)Limited lifetime warranty (click for details)