360° Swivel and Height Adjustable Office Chair 360° swivel mesh seat cushion and wheels. Office chair overall height: 33.1''-37.8''(84-96cm). Chair seat height from floor: 17''-21.7''(43-55cm). Adjustable height range: about 4.7'' (12cm) Ergonomic Mesh Office Chair This office chair built with human-oriented design. C- shaped backrest fits the curve of your spine, upgraded Y-shaped lumbar support provide you with enough support, diminish unnecessary pressure on spine and reduce back pain Comfortable Armless Office Chair No arms, no limits, suitable for kids and friendly to adults. You can slide the chair under your desk when not in use, flexible and space-saving High Quality Mesh Office Chair High density mesh, soft mesh cloth, thick foam cushion, durable chair base and casters, sturdy gas lift cylinder, all components are in good quality and come from reliable suppliers Easy to Assemble All components and tools included i