QuikLok BX-8 SpecificationsSeat cushion dimensionsDepth: 10" - 25cmWidth: 21" - 53cmThickness: 1.6"- 7.5cmHeight positions(3): 18.8", 20", 22.8" 48, 51, 58cmWeight capacity: 250lbs - 112kgWeight: 11.1lb - 5kg