Marsail Office Chair Ergonomic-Desk Chair: Mesh Back Home Office Chair, Black Product Features ????-???? ???????? ????????: This Marsail office desk chair full support for your neck, back, hips, and arms. The S-shaped backrest conforms to the shape of your spine to provide a comfortable sitting position all day long. Ergonomic office chairs can improve sitting posture for less fatigue and strain on your body ?????????? ?????? ???????: Our ergonomic office chair comes equipped with adjustable lumbar support, Adjustable up and down 2 in,allowing you to tailor the support to your specific needs. Whether you require extra lower back support or seek a more comfortable sitting posture, we've got you covered, ensuring your spine maintains the correct curvature ???????? ?????????? ?????????: This home office chair has a 4 inch lifting range to meet the needs of people of different heights, it also has a reclining function of 90 to 115 which allows you to relax yourselves after work ????-?? ???? ???? ?????: The black office chair has curved armrests with soft foam and mesh material to provide cushion for your arms and elbows. The armrests can be flipped up by 90 degrees so you can easily slide the chair under a desk to save space when not in use ??????? ????????????: This BIFMA-certified computer desk chair is equipped with an SGS-certified Class 3 gas lift and large 25? steel base to ensure stability for up to 300 lbs of weight. The 360 PU caster wheels roll smoothly and silently without causing damage to the floor ??????????? ??????????: The mesh office chair features a 3.14-inch soft, high-density foam cushion that minimizes pressure on your hips and tailbone, providing long-lasting comfort and support. The chair backrest is made of breathable mesh that allows better airflow to keep you cool and dry ???? ?? ????????: We offer installation instructions and videos to help you easily and quickly assemble the office chair yourself. It usually takes about 10-20 minutes to assemble. If you have any questions, please feel free to contact us ?-???? ???????? ?????????: We provide 5 years of after-sales guarantee! If there are problems such as missing parts, product damage, or other unsatisfactory issues, please contact us via the email address provided in the instruction manual- our dedicated team responds within 24 hours during workdays. Thank you for choosing Marsail office chair. We will be responsible for your choice ???????? ????????: 1.For those with large hips, please sure the width of the office chair before purchasing.2.This ergonomic office chair can only be locked in an upright position, but not in an inclined position. 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!