5-Level Adjustable Lumbar Support - This ergonomic office chair achieve perfect lower back support with our innovative lumbar system, features a 2.75-inch adjustment range and five precise levels. You can find a suitable position and get proper lumbar support. The mesh office chair can help to release your spinal pressure and is suitable for those who need to sit for more than 8 hours daily. Breathable Mesh & Easy Maintenance - The mesh office chair is made of premium mesh material that promotes airflow and prevents wear over time. Perfectly for 4 to 8 hours of daily use that stay cool and comfortable. Its also easy to clean, which can save your time and effort. Customizable Comfort for All Sizes - This high-back desk chair tailored for users between 5'1'' and 6'3'', offers unmatched flexibility with a 2D headrest, 90°-135° reclining backrest, 3.15-inch adjustable armrest height, and 3.2-inch adjustable seat height,our ergonomic swivel office chair accommo