ZHISHANG Ergonomic Home Office Chair, Computer Chair with Adjustable Headrest & Armrests, Mesh Backrest, Lumbar Support, High Back Desk Chair Ergonomic Chair for Adults, 350lbs, Black - 2018 office chair

• 【Designed For Support】The ergonomic office chair is designed with double backrest structure, fully considering the natural S-shaped curve and posture of the human body, balancing the pressure on all parts of the body. The independent lumbar structure can fully support the curvature of the lumbar area, providing good support and comfort. The original "X" frame behind the backrest doubles the safety and stability of the backrest and upgrades the support. 【Personalized Comfort】The wider and thicker seat cushion is filled with high resilience memory foam, which is soft and supportive enough, and combined with the immersion design, it effectively reduces hip pain and thigh pressure. Both backrest and seat cushion are designed with unique mesh to maintain air circulation, and the high-quality mesh is resistant to abrasion and remodeling, this office chair is suitable for sedentary people. 【Adjustable Features】The adjustable design of the high back office chair can meet your different needs. You can easily adjust the height of the headrest to prevent your head from tilting forward and provide effective support for your neck. In addition, the backrest swings from 90° to 135° and locks in the upright position, and the 4D armrests are designed to prevent your arms from hanging out and your shoulders from stiffening after long hours of sitting and working. 【High-Quality Base】Our computer chairs have been tested by multiple layers of professional organizations, and their quality is guaranteed. The optimized and upgraded class 4 gas lift allows you to adjust the height safely and freely, and together with the sturdy alloy 5-star base that can withstand a maximum weight of 350 pounds, it ensures safety and stability. Meanwhile, the sturdy PP silent casters roll smoothly without leaving any scratches and are also suitable for use on carpets. 【Easy to Assemble & Warranty】All ergonomic office chairs are supplied with a 1 year warranty, instructions and 1 set of simple tools, on top of which installation can be easily done in just 20 minutes. If if you have any questions, please feel free to contact us, we will provide you with satisfactory solutions.