Specifications Color: Green+ Black Material: Aluminum Alloy, PVC, Rubber Process: Spray Molding Assembly Required: No Number of Wheels: 4 Load Capacity: 180kg/397 lbs Product Folded Size: 112*55*21cm/44.09*21.65*8.27in Product Unfolded Size: 83*48*156cm/32.67*18.9*61.42in Package Size: 115*55*22cm/45.28*21.65*8.66in Gross Weight: 12kg/26.46 lbs Net Weight: 10.5kg/23.15 lbs Package Included 1* Folding Stair Chair.