Office Chair, Ergonomic Desk Chair, Mid Back Mesh Computer Chair, Height, Gray. Product Features ?Ergonomic Comfortable?The back of this office chair is made of breathable mesh fabric. The ergonomic lumbar support fits your backline and helps to relieve pressure on your lower back. Meanwhile, the breathable mesh backrest promotes air circulation and avoids sweating. Also, the concave seat cushion of our desk chair adopts thickened high resilience sponge that feels soft but supportive. ?Flip-up Armrest?You can flip the armrest of the desk chair to suit your different needs. Armrests provide comfortable support for your arms when in use. When not in use, it can be flipped up to save space effectively. Also, you can make full use of the storage function on the back to store anything you want. ?Multi-Function Adjustment?The height of our office chair can be adjusted within the range of 37.4"-40.6" by adjusting the lever under the seat. The seat back can be turned into a rocking mode by pulling out the lever and adjusting the tension knob, which perfectly adapts to different sitting postures. ?Stability Smooth Movement?The office chair's sturdy five-star base and premium gas lift demonstrate exceptional stability and durability, supporting up to 275 pounds. The 360-degree rotatable castors allow you to cross the room smoothly and silently without scratching floor surfaces. ?Easy to Assemble?The executive office chair is equipped with all the accessories, installation tools, and instructions to make the installation more convenient. We have also uploaded the installation video on the product page for your reference. It can be installed within 20 minutes. 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!