This modern and fashionable ergonomic office chair features a 4D adjustable lumbar support (supporting up and down/front and back adjustment), a breathable mesh backrest and seat cushion, ensuring good air circulation and all-day comfort. The adjustable and flip-up handrail not only provides typing support but also can be easily pushed under the table to save space. The product has passed BIFMA and SGS safety tests, with a stable load-bearing capacity of up to 300 pounds and is suitable for users with a height ranging from 150 to 189cm. It can be quickly assembled in just 6 steps, allowing you to enjoy an efficient and comfortable home office experience right away. Inbox Zero Upholstery Colour: Navy