Specifications:Color:Gray/GreenProduct Dimensions:24.4"L x 18.1"W x31.5"HBack Style:Solid BackSpecial Feature:Adjustable Lumbar, Adjustable Height, Adjustable Headrest, Ergonomic, Head SupportAbout this item：Ergonomic Design: This mesh office chair features an S-shaped backrest that conforms to the natural curve of your spine, providing comprehensive lumbar and upper back support.The waterfall-edge seat design effectively alleviates pressure on your thighs, enhancing blood circulation and ensuring a comfortable sitting posture during long hours of work.Premium Quality and Durability: Built with a sturdy, impact-resistant frame and five robust nylon casters,this high-back computer chair allows for smooth and stable movement.This desk chair with flip-up armrest supports a maximum weight capacity of up to 330 lbs. The chair is made of breathable mesh fabric, which helps dissipate heat and keeps you cool, ensuring all-day comfort.Adjustable Lumbar Support: The customizable lumbar support offers multiple height adjustments,allowing you to find the perfect fit for your spine. This design helps to reduce back strain and alleviate discomfort from prolonged sitting.Multi-Functional Adjustments and Flip-Up Arms: The swivel chair features an adjustable headrest that can be modified for height and angle,providing enhanced neck support.The flip-up armrests are flexible and can be raised to slide the chair under the desk, maximizing your workspace when not in use.Enhanced Weight Capacity and Stability: With a reinforced structure and durable nylon casters, this chair offers outstanding stability and support for long-term use. This executive chair moves quietly and smoothly, while its robust design guarantees reliable strength, making it a dependable choice for any home or office setup. Package Includes:1 x A brand new office chair1 x A clear instruction