Adjustable Height And Lumber Support For Armless Swivel Mesh Computer Office 360 Swivel Armless Chair - 360 swivel seat cushion and wheels. Chair seat height from floor: 17-21.7''/43-55cm. overall height: 33.1-37.8''/84-96cm. Adjustable height range: 4.7'' /12cm. Armless Ergonomic Chair - C- shaped backrest and upgraded Y-shaped lumbar support can fit spine curve and provide enough support, diminish unnecessary pressure on spine and reduce back pain. Small Office Chair for Small Spaces - No arms, no limits, suitable for kids and friendly to adults. Slide this chair under your desk when not in use, very nice to small spaces such as sewing room and small offices. Small Office Chair for Small Spaces - No arms, no limits, suitable for kids and friendly to adults. Slide this chair under your desk when not in use, very nice to small spaces such as sewing room and small offices. High Quality Armless Desk Chair - High density mesh, soft mesh cloth, durable chair base and casters, sturdy gas lift cylinder, all components are in good quality and come from reliable suppliers.