All Inland chairs are BIFMA certified, we take no compromise on safety and quality. This office chair is made of top-quality, industrial-grade materials and it features an ergonomic design that offers optimal back support and fully customizable adjustments for multiple directions to find the best angle to relieve strain and at the same time increase your productivity. It's the chair that keeps your body happy! This Inland Office Chair features a cold-cured high-density foam that offers optimal durability, comfort, and support that will retain its shape and density for many years and Premium PU leather upholstery exhibiting a luxurious finish. This ergonomic chair has customizable features and advanced tilt tension mechanisms that allows you to adjust the chair in multiple directions to find the angle that best supports your spine, to relieve strain and improve your posture. Multiple adjustments including; 165 degree backrest recline, an advanced mechanism with adjustable rocking function and lockable tilt-tension control, seat height adjustment, and soft to touch 4 directional armrest to adjust height, depth, width, and angle. Class-4 explosion-proof hydraulic pneumatic piston provides safe and efficient height adjustment. Durable low-noise casters. Solid steel tube frame with aluminum base makes a superb sturdy structure. Load capacity up to 320 lbs.