【ERGONOMIC OFFICE CHAIR】ZYFFHYLAI ergonomic office chair uses a unique backrest that conforms to the natural ergonomic curve. Additionally, the ergonomic mesh office chair features adjustable lumbar support to help you maintain a comfortable seating position.Choose this ergonomic office chair for ultimate comfort.【Multifunctional Adjustment】Both multifunctional adjustment and ergonomics are the features for this home office desk chair. This computer desk chair back can be tilted and locked from 90° to 125° for your comfort, whether you are working, playing games or resting. The angle of the headrest is adjustable, the seat can be lifted up and down. Also equided with the Flip-up armrests, can be exchanged the home office chair to be an armless chair, easy to move and save space.【High-Quality Material】The breathable mesh back on this mesh office chair provides support while keeping your back cool and comfortable. Cool air circulates through the mesh, it won't make you sweat after a long working day and allowing you to sit in the chair comfortably. Collapse-resistant, high-density sponge seat cushion provides the support that lasts all day long. High bearing capacity base with smooth and silenced rolling wheels, Max Loading Capacity 300lbs.【Built to Last】Our desk chair features a robust five-leg base, a 360° smooth swivel, and quiet caster wheels that glide effortlessly on surfaces. Suitable for both home and office environments, it allows you to relocate with ease. Improve your posture and enjoy unparalleled comfort.【Lifetime Warranty】We provide all the necessary tools in the office chair package for easy and efficient assembly, allowing you to complete the installation process in just 20 minutes. Our professional customer service team is available to assist with any questions. Moreover, this office chair is backed by a lifetime warranty, providing you with peace of mind and long-term protection.