Merax Modern High Back Leather Executive Office Desk Task Computer Chair w/Metal Base Pu Leather Imported Super soft faux leather seat and back with built in lumbar support Pneumatic seat-height adjustment; 360-degree swivel; Smooth-rolling casters; Reclining back; Locking Tilt Control with Adjustable Tilt Tension Equipped with sturdy adjustable armrests which bring more stability 250-pound maximum weight capacity; assembly instructions included Ergonomically design for comfort for those who work at desks for long periods