Specifications Color: Yellow, Black Material: Aluminium Alloy, PVC Wheels Material: Industrial Plastic Process: Paint Spraying, Cutting Assembly Required: No Number of Wheels: 4 Load Capacity: ＜159kg/350.53 lbs Product Size: 52*80*140cm/20.47*31.5*55.12in Folding Size: 102.5*52*21cm/40.35*20.47*8.27in Package Size: 107*52.5*24cm/42.13*20.67*9.45in Gross Weight:14.2kg/31.3 lbs Net Weight: 13kg/28.66 lbs Package Included 1* Folding Stair Chair.