Frame:Aluminum Size of setp:36.5*26*3.5cm,PP Close size:16.5*47*162cm Number of steps:3+1 Weight:5.86kgs Max load:150kgs 1. 100% ALUMINIUM INGOTS,NEVER USE RECYCLE ALUMINUM. 2. 100% NEW MATERIAL,NEVER USE RECYCLE PALSTIC. 3. HIGH QUALITY Specifications:ITEM NO: YZLA8001Material: Aluminum + PPClosed size: 165x470x1620mmOpen size: 865x470x1530mmStep: 3 stepsMax load: 150kgWe're Manufacture, ...