Black Zunmos Home Office Ergonomic Mesh Computer Desk High Back Swivel Task Product Features Ergonomic Backrest Seat: The lumbar support of this S-shaped high back office chair mimics the natural curve of spine movement, perfectly fits the body curve, provides spinal protection for long hours of sitting, is the body feels light as floating while maintaining perfect balance. The compact mesh office chair will allow you to fully enjoy your sitting while working or resting. Multiple Adjustments: The desk chair's back can be adjusted to reclining at 90- 120. Cushioning lumbar angle effectively reduces the discomfort and fatigue caused by sitting for a long time, which makes it comfortable for you to take a short nap between work. The seat height can be adjusted from 17.4" - 20.6", with adjustable flip up and down armrests, it can perfectly adapt to people's heights and different desktop heights. Breathable Mesh Chair: The seat back are made of high-quality breathable mesh material, which effectively reduces sweat, keeping you cool and comfortable at all times, and the seat cushion is also made of durable textile material, which is breathable while soft and comfortable. The high-density mesh office chair cushion support has a certain restraining effect on the vertical spine, so it will not cause local pain in the ischium, effectively achieving a certain upright sitting posture. It also can resist deformation and provide you with support that lasts all day. Sturdy Durable: Our ergonomic chairs with arms offer heavy-duty durable nylon bases, gaslift safety devices and rolling casters that can support adults weighing up to 250 pounds. The high-back desk chairs are paired with other high-quality office supplies and meet strict BIFMA standards for maximum safety. 360 degrees swivel multi-directional wheels ensure smooth-rolling for longer periods of time, providing freedom of movement and ease of communication with others. Assembly required Easy To Install Warranty: All swivel task chairs come with a 1-year warranty, so email us directly and we'll get you an effective solution as soon as possible. With clear instructions and tools, you can also follow the video for assembly (about 15 to 20 minutes). This lumbar support rolling chair is suitable for office, game room, living room, bedroom, study, etc. It will make your space more modern and elegant. Item shape: L-Shaped Target gender: unisex 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!