Smugdesk Ergonomic Mid Back Breathable Mesh Swivel Desk Chair With, Black Rolling mid-back swivel chair ideal for both the home and office and designed for a comfortable, 8-hour sitting experience Modern, sleek design with steel cylinder and solid caster wheels provide a stable and sturdy seat for your home office The 120-degree adjustable backrest perfectly lines up with body line and supports your spine?s natural curve; 360-degree swivel rotation Integrated lumbar cushion offers extra cushioning to help prevent work-related injuries and reduce stress; Unique rocking mode for increased relaxation Includes a breathable mesh surface, allowing air to pass through the backrest and keep you cool