VEVOR Heavy Duty Executive Office Chair with Cutting-edge Adjustable Lumbar Support for Long Hours, Big and Tall 400lbs Office Chair, Wide Thick Padded Strong Metal Base Quiet WheelsProduct Features Adjustable Support Our executive office chair offers independently adjustable lumbar support, with a range of 8 cm front to back, ensuring the most thoughtful support for alleviating lower back pain, allowing you to enjoy comfortable seating throughout the day. Comfortable Seating With a 6. 1 inch thick waterfall shaped cushion, the executive desk chair provides superior resilience, conforms to the body, and is suitable for prolonged