Newtral Ergonomic Home Office Chair, High Back Desk Chair with Unique Adaptive Lumbar Support, Adjustable Headrest, Seat Depth Adjustment, 96-126 Tilt, Adjustable Armrest Recliner Chair for Office [American Ergonomist Endorsement] IRIS SOKOL, the Founder of Ergowell, LLC,?The lumbar function in the NEWTRAL Chair is one of the most unique lumbar supports I have seen, and I have been evaluating ergonomic chairs and products since the late 80's.? [Unique Adaptive Lumbar Supports] Newtral office chairs use innovative automatic lumbar tracking technology to automatically follow the movement of your lumbar spine, providing a strong support for your lower back throughout the day. Lumbar support strength can be adjusted according to your needs. It fits the natural curvature of your spine and helps relieve back pain caused by sitting for too long. [Multifunctional Adjustment] The back of the Newtral ergonomic chair has three height options, and it can be tilted and locked from 96 to 126. The angle and height of the headrest are adjustable. The seat can be lifted up and down, moved back and forth, also equided with 3D adjustable armrests. You can find the most comfortable support position and strength for your body, whether you are working, playing games or resting. [Certified Quality] The Newtral home office chair uses the the gas lift is high-quality KGS classe 4 made in Korea, which certified by BIFMA/SGS. Korea Filo Breathable Back Mesh can keep good air circulation in your back, even for longtime sitting. We use 7cm high density sponge cushion with waterproof and flame retardant fabric to ensure that will not collapse though sitting for a long time, they are also safe and durable, provide quality assurance for your healthy work and life. [Always Stand Behind Our Products] The package comes with clear instruction and tools, you can easily assemble it in about 40mins. You can easily get help with the ?Product guides and documents? plate on this product page, or please feel free to let us know through clicking the Newtral-Store on the products details page. We provide a 7x24 hours after-sale service to help you. Shipping We offer FREE shipping on all orders in US We ship within One-Three business days of payment, usually sooner. We use a selection of shipping services such as UPS, FedEx, USPS etc We offer free shipping to the lower 48 states and ship within 1-3 days of payment, usually sooner. For shipping outside of the continental USA International customers are responsible for all duties and taxes. Return You can return a product for up to 30 days from the date you purchased it. Any product you return must be in the same condition you received it and in the original packaging. Please keep the receipt. Return Policy ? We guarantee against any defective or misrepresented products. The original shipping label must be sent back to us to validate the return. A full refund can only be issued during the first 30 days upon receipt of the product. ? Returns will be voided if the product is mishandled or physical damaged by customer. ? Buyer will be responsible for all kind of return shipping/shipment to the seller for resolving the problem. ? Returns made for all non-defective, undamaged products are subject to a 15% restocking fee. Shipping and handling fees are absolutely non-refundable. If an item is returned to us due to an address issue, we do charge a reshipping fee to reship. If you would like a refund, there will be a 15% restocking fee applied. ? All returned products need to be assigned an RMA # (Return Merchandise Authorization #) prior to return. Please contact us through's messaging system to obtain an RMA# for the return. Any returned product without an RMA # on package will not be accepted or processed? Please contact us before returning. Payment We accept payment by any of the following methods Please pay as soon as possible after winning an sale, as that will allow us to post your item to you sooner! Feedback Customer satisfaction is very important to us. If you have any problem with your order, please contact us and we will do our best to make you satisfied. Feedback ? We appreciate your feedback and our system will automatically leave feedback for you after bid ends. ? Please contact us through message center if you have any problems, we will always try our best for 100% customer satisfaction. Contact Us If you have any queries, please contact us via. We usually respond within 24 hours on weekdays. Please visit our store to check out other items for sale! Thank you for shopping at our store.