Comfortable & Ergonomic office chair "548-17-3"

-High-quality materials: the desk chair is made of high-quality mesh fabric, which is comfortable and breathable, and the seat cushion is filled with a high-density sponge, which provides an excellent experience. Ergonomic design: the back design of the chair is directed by ergonomics and adapts to the curvature of the human body to improve user satisfaction. The high-back office chair is designed to comfortably support the waist and keep the spine properly aligned. -Rocker function: adjust the button under the seat to shake the chair back and forth. The swivel range is 90-118 degrees. The swing range can be adjusted via the knob so you can relax while resting. -Adjustable function: the height of the headrest can be adjusted up and down, and the height of the headrest can be increased by pulling up the headrest. The ergonomic headrest and lumbar support support the user's body.