MESH OFFICE CHAIR: The breathable mesh back of the ergonomic mesh task chair provides support while keeping your back cool and comfortable. Office mesh chair promotes air circulation, allowing you to sit cozily for long hours. ERGONOMIC DESK CHAIR: The curved design of this task desk chair will reduce back tension and make you feel extremely comfortable. Ergonomic office chair backrest with lumbar support helps you keep in the right position during long time working. EASY TO ASSEMBLE: Office desk chair is very easy to assemble. All instructions and accessories are included in the box. It generally takes less than 30 minutes to put it together. Pneumatic controls make it easier to raise or lower the seat of the ergonomic office chair. SMOOTH ROLLING CHAIR: Polyurethane rolling caster of the computer task chair ensures smooth and quiet moving on any surface. Soft PU material casters can protect your favorite hardwood floor, carpets and other mats perfectly. COMFORTABLE SWIVEL CHAIR: The premium adjustable office chair with professional well-made armrests, padded seat and lumbar support offers great comfort for you to work or study throughout the day whether at home or the office.