1.compact and simple 2.light weight and high quality 3.easy to storage,carry. Aluminum Folding LaddersSpecification Item No.ClosedScaffoldStepladderStraightApprox.Cu.Ft.Approx20'40'40HQheightheightheightLadder LengthPer UnitWt.Lbs.AM51- 403IA38''3'5.5'11'3.632.1295595695 Aluminum Folding Ladder For family,Hotel,Industry