Huanuo Ergonomic Office Chair, High Back Desk Chair With S-Shaped, Hnoc9 Product Features Improved Posture: This Huanuo ergonomic office chair features an S-shaped backrest to support the natural curvature of the spine, promoting better posture by aligning the body correctly. This can help reduce strain on the back, neck, and shoulders, preventing discomfort and potential long-term health issues. With a lumbar support that is height-adjustable by 2.4?, you can work more comfortably with less back pain for longer hours. Enhanced Seat Cushion for Extra Support: The ergonomic seat cushion provides more support with increased thickness and enhanced softness. Comfortable and supportive seating can positively impact productivity levels. The backrest and seat of the ergonomic desk chair are covered with breathable mesh material for better air movement to keep you cool and dry. Allows you to stay focused and work more efficiently without being disturbed by discomfort or pain. Flexible Adjustment: Tilt the office chair from 90?130 to stretch and relax your body. The headrest is height-adjustable by 3.15? for perfect head and neck support, while the armrests are 3.5? height-adjustable for ideal arm positioning. Suitable for people between 4'11'' and 6'1'' in height. Freely move the chair 360 without distraction thanks to quiet rolling casters. Reliable Stability: Our office chair is built to last with a sturdy steel base and a weight capacity of 300 lbs. The desk chair has passed BIFMA testing and is equipped with an SGS-certified Class 3 gas lift for smooth height adjustment from 18.1? to 22? tall. Easy to Assemble: A detailed instruction manual and labeled hardware kit is included for hassle-free assembly. Feel free to contact our professional U.S.-based product support team if you have any questions about office chair assembly or product selection. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!