The Ergonomic Mid Back Swivel Black Mesh Desk Chair, Flip Up Arms With Lumbar Product Features MULTIFUNCTIONAL MESH OFFICE CHAIR: 360 degree swivel, height adjustable, flip up armrest, rocking mechanism with tilt tension adjustment knob, high quality gas lift cylinder, durable nylon base and flexible 360 degree swivel casters. ERGONOMIC OFFICE CHAIR: This office chair designed with human-oriented ergonomic construction, providing firm back support to reduce back pain. High resilience foam cushion offers enough comfort and reduces pressure. HIGH QUALITY OFFICE CHAIR: Our office chair is high quality, environmentally that comes from a responsible manufacturer. SUPERIOR QUALITY MATERIALS: American-made high density mesh, high resilience foam cushion, high quality gas lift cylinder. All materials are in good quality, durable, and not easy to deform. EASY INSTALLATION OFFICE CHAIR: Our office chair is easy to install. We offer installation instruction and video to help you. 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!