Ergonomic Office Chair Home Mesh Desk Chair With Adjustable Arms - Mid, Black Product Features ?Features? Ergonomic Office Chair Featuring reliable ergonomic support, It's easy to adjust seat height,and arms to meet different needs, the breathable mesh back and passive lumbar support good for sitting long hours. ?Material?High quality mesh resists abrasion and transformation, and the mesh back and sponge seat keep air circulation for extra comfy, Nylon base?Silent casters move freely without noise. ?Design?The ergonomic chair has been designed and researched by professional orthopedic doctors and mechanical engineers. Based on strict standards, it has undergone professional testing and repeated experiments, and has been tested by people of different heights and weights, meeting all safety and health standards for office chairs. ?Adjustable?Big and Tall Office Chair ,adjustable armrest for different office applications, 360 Freedom to rotate freely. ?Warranty?The product warranty period is 3 years. If there are any quality issues, please contact us. We will replace the accessories or a brand new chair for you. And we promise that all services will be provided for free. 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!