Advanced Elements AdvancedFrame Convertible Inflatable Kayak Built-in aluminum ribs define the bow and stern and improves tracking Three layers of material for extreme puncture resistance.Folded size 35 X 21 X 12 inches. Max Weight-550 pounds. Weight-52 pounds Pre-assembled at the factory; simply unfold, inflate, and attach the seats High support, adjustable padded seats provide comfort for hours of paddling Three seat locations allow for paddling solo or tandem