Functional Computer Office Chair: Our home office chairs have flexible seat and wheels, height-adjustable lumbar support, breathable mesh back and seat cushions, 10 cm adjustable seat height Ergonomic Backrest Home Desk Chair: The curve of the backrest is designed according to the curve of the human lumbar, providing reliable support for your lower back. There is also a 1.97-inch adjustable lumbar backrest to fit different people Reliable Home Task Chair: This computer chair is made of sturdy materials to ensure that you are comfortable when reclining. The wider and thicker cushion increases reliability and comfort during use. The sturdy backrest and great height-adjustable pneumatic lift add to the reliability of the chair when in use Space Saving: The 360° swivel seat and wheels on this office task computer chair ensure flexibility, and the 90-degree reversible armrests allow this chair to be easily pushed under a desk to save space Easy to Install: This office computer ch