1. Adjustable lumbar support: This ergonomic office chair is based on natural bending and comes with adjustable lumbar support, so the backrest can perfectly adapt to your natural posture and provide you with a high level of comfort even during prolonged sitting activities. This swivel chair also comes with armrests, so you can relax and support your arms while working. 2. High stability: Our office chairs are made of polyamide, metal foam and plastic. This mesh seat features a durable seat base that can support a maximum weight of 100kg. 3. Adjustable joystick mechanism: This office chair features a joystick mechanism that allows for relaxation during office breaks. You can freely adjust the tilt tension as needed by tightening or loosening the knob under the seat. 4. Mobile and flexible: 5 durable and 360 rotating nylon wheels allow you to move freely between different workplaces to retrieve remote files or make phone calls. 5. Easy to install: Due to the illustrated assembly instructions and all necessary tools and accessories, assembly only takes a few minutes. So you can quickly use the mesh chair. Specifications: Overall size: 100 50 55cm Seat cushion size: 50 50cm Adjustable height: 10cm Backrest height: 55cm Maximum load capacity: 100 kg The packaging includes: Computer chairs 1pcs Havendro Mesh Office Chair - Gaming & Executive Desk Chair in Pink