Size: 18.9 x 19.7 x 35.2-38 inches（LxWxH）| Mesh Office Chair | Lumbar Armrest Support ?️Delivery Time: 3-5days ➤Our Guarantee ➊ Order early to enjoy as soon as possible. We will deliver the goods as soon as possible to meet your needs. The products usually arrive within 3-5 days. ➋ If you have any questions or dissatisfaction with our products, please contact us, we will solve them quickly and worry-free, so that you can enjoy the high-quality service in the whole process of pre-sales, in-sales and after-sales. This quality office chair allows you to say goodbye to the previous ordinary uncomfortable office chair experience, unique and practical design will bring you a new experience, so that you can work or study for a long time will not feel back pain, health protection you every day, you will definitely like this chair very much. Ergonomic engineering, health and comfort design concept, with lumbar and armrest support, better protection of your waist and arm joint health, back and seat cushion mesh breathable design, cool and comfortable, keep air circulation. Adjustable height, 360 degrees rotatable five wheel slide, will bring you a smooth experience, you can sit on the chair quickly and easily to the room you want to go, unhindered. The material certified by professional institutions is strong, healthy and safe, so even heavy people can easily sit in the chair and use it with peace of mind. Features: ?Mesh breathable office chair ?Lumbar armrest support ?Height adjustable ?360 degree rotatable rigid wheelchair ?Load capacity 250lbs