· [Big And Tall Office Chair for Extra Comfort] -- Ollega executive office chair specially designed for the big and tall person, max supports up to 500 pounds. featuring an oversized seat cushion (seat size: 23.5D" X 24W", 7" thick), smooth-rolling wheels, class 4 gas cylinder by SGS certified and heavy-duty metal base. All tested over 100,000 times and certified for safety and quality, BIFIMA certification, more reliable and sturdy.

· [First-Class Seating Experience] -- Our ergonomic office chair is wrapped in excellent breathable mesh, maintaining the air in the desk chair seat and back area flowing naturally and not overheating. High-density molded foam guarantees never-fail comfort and support. Waterfall front seat edges remove pressure in the low leg and improve circulation.

· [Fully Adjustable Function] -- Reclining office chair can be adjusted by 90°-135°, underneath the tilt tension knob controls the tension of reclining. unlike many desk chairs, our big and tall mesh office chair have built-in adjustable lumbar support with controlled lumbar front and back simultaneously effectively relieves pressure from the lumbar region. Featuring 360° swivel, 0-90° flip-up armrest and height-adjustable mechanism.

· [Heavy Duty Casters] -- Compared with other plastic wheels, ollega five casters of this heavy duty office chair are made of strong steel supports. The executive swivel office chair features pu wheels that ensure smooth and quiet gliding but also keep you steady when you need to work and it is very easy to assemble and set up.

· [Risk Free Purchase] -- All the necessary hardware and tools are included with this black mesh chair. Easy to install and ready to use in about 15 minutes. We are certain that you will love our big and tall office chair but if for any reason you are not completely satisfied, our prompt and friendly customer service specialists are at your disposal.