Office Chair, Desk Chairs Mesh Computer Desk Chair With Wheels Ergonomic, Black. Product Details ??Ergonomic Chair?The design of this home office desk chair completely adopts human body engineering principle, and the backrest and lumbar support fit snugly into the curve of your back. The wear-resistant mesh fabric keeps air circulation to avoid sweating and sticking. The soft widened seat(19.7'') of the chair is filled with high-density rebound foam, keeping good elasticity after long siting. ??90 Flip Up Armrest?A thickened, wider and breathable padding covers the flip up arms of office chair, maxmizing the comfort of the forearm and elbow. 90 filp up armrest office chair, not only will save us more space, but also will avoid the bump between the desk and reclining office chair, to enhance the life of mesh chair. Suitable for office, living room, study room, meeting room, etc. ??Meeting Various Needs?To meet different users' needs, the height of this ergonomic office chair can be adjusted from 17.9?to 21.9''. Turn the tension adjustment to switch from the working mode of fixing the back of the chair to the easy rocking mode. The rocking function can adjust and lock the angle from 90 -125according different sitting positions. Multiple adjustments help you find the most comfortable position in this swivel chair and work comfortably without causing pain. ??Sturdy Construction?The durable metal bases and gas lifts is strictly BIFMA compliant, capable to 270 LBs, providing support and safe for long-term use. 5 casters of this comfortable office chair can 360 degree swivel which is easy for you to move around quickly and quietly while not disturbing your mind at work. Moreover, the casters do not damage the floor, making them very suitable for use in the office. ??Save Time in Assembly?It takes 10-15 minutes to complete the installation of executive office chair. The package comes with hardware and accessories inside, as well as installation tool and manual. Our service team will also offer support for you in 24 hours, just contact us via Amazon [Your Account]-[Your orders]-[Contact Seller]. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.