Big and Tall Office Chair with 5D Arms, Fabric & PU Leather Heavy Duty Desk Chair, Adjustable Lumbar Support & Height, Tilt Function, High Back Ergonomic Executive Computer Chair

5D Armrests - Ergonomic Revolution & Space-SavingPosition your arms perfectly with this big and tall office chair's 5D armrests (up/down, forward/backward, flip 90°, swivel 360°, and recline 90-125°). Move freely between typing, calls, or sketching without shoulder strain. Precision control means no more awkward reaching! Air-Adjustable Lumbar SupportStop slouching! Customize the depth and firmness of your lower back support with a simple dial. This office chair with lumbar support actively cradles your spine's natural curve, reducing pressure points for lasting comfort during work or gaming. 4-Layer Thickened Cushion - Ultimate Desk Chair ComfortDominate your day in this heavy duty office chair.

4-layer memory foam seat (31x6cm spring seat) + certified gas lift reduces hip pressure and boosts leg support. Enjoy cloud-like, body-contouring support that reduces fatigue, making it the perfect executive office chair for marathon workdays. Appearance & Material Double InnovationUnlike ordinary PU leather office chairs, this office chair is a combination of breathable mesh and PU leather. In addition to giving you a brand new experience in appearance design, this computer chair also has better breathability. Stay cool and comfortable while enjoying a sleek, executive aesthetic. Heavy Duty 600lbs Capacity & Premium DesignEngineered for exceptional support, this heavy duty office chair boasts a 600lb weight capacity.

3" silent casters conquer hardwood & thick carpets no scratches, no stuck wheels, no noise. Roll freely day or night.
Installation Tips: NOT TO TIGHTEN THE SCREWS COMPLETLYWhen attaching the armrest to the backrest and seat, only tighten the screws about 75%, making sure both the armrest and the backrest/seat have enough room to move so that the screw holes can be properly aligned and the screws can be inserted. *Includes clear illustrated instructions + labeled parts