... . iron pipe Function : Travel, Outdoor Sport, Hunt,Fishing.etc External Dimension: 1, expanded form(chair form): height : 69cm,width :42cm 2,folded ... :2.8kg Main superiority & description : 2 in 1 : the chair combine with the travel backpack The backpack can carry drink , tools , clothes ... you wish . In folded form , the backpack can be carried with single shoulder or double shoulder straps .