BREATHABLE MESH BACK: 100% ventilated mesh back promotes airflow to keep you cool and comfortable during long hours of sitting, ideal for home offices and workspaces, and daily use. ERGONOMIC COMFORT & SUPPORT: Curved mid-back design with lumbar support and ergonomic armrests reduces fatigue, while a high-density cushion offers breathable, all-day seating comfort CUSTOMIZABLE HEIGHT & ARMRESTS: This ergonomic computer chair and desk chair fits any office or home setup, with adjustable seat height (17.1"20.3") and smooth swivel for daily comfort. STURDY & CERTIFIED MATERIALS: Built with durable components that meet strict BIFMA standards. The strong mesh frame supports up to 250 lbs, ensuring long-lasting, reliable performance. EFFORTLESS ASSEMBLY: Comes with all hardware and clear instructions for a quick setup. Assemble your new office chair in just 1015 minutes with minimal effort, no extra tools needed.