ADJUSTABLE OFFICE CHAIR -- This office chair offers a 360° swivel, allowing you to move freely. It features a height adjustable mechanism, back angle and tilt/swivel system, enabling you to swing the chair back and forth at any angle up to 135°. The reclining office chair comes with a tilt tension knob that allows you to customize the tension to your personal preference. Experience the comfort and flexibility with this versatile office chair! BEST-IN-CLASS SEAT EXPERIENCE IN COMPUTER CHAIR SITTING -- High-density foam ensures comfortable and support. The extra-wide chair backrest and independent chair lumbar support gently wraps your body and supports your lower back, thoughtfully designed of the executive office chair to keep you comfortable during long hours of working, studying or gaming. The wide office chair equipped with a heavy duty metal base,people up to 350 lbs can sit on the chair. The executive office chair equipped with an oversized seat cushion (seat size: 20.5"D X 23.6"W, 4" thick) CERTIFIED QUALITY OFFICE CHAIR - Every part of the chair has been carefully selected and crafted. Soft and comfortable leather material about the office chair gives you a good touch. Smooth chair wheels, SGS certified Class 3 gas cylinder, strong supporting metal base, all tested over 100,000 times and certified for safety enough. Efomao office chair comes with all necessary hardware and tools. the chair can be easily installation and finished in about 15-30 minutes.