CONCETTA Ergonomic Mesh Office Desk Chair, Adjustable and Flip-up Armrest for Adults, Gray

【Ergonomic Backrest】This chair is designed ergonomically, matching the contours of the spine to properly support the back and waist, helping you adjust to the correct sitting posture, evenly distributing pressure on the spine and shoulders, and avoiding stiffness and fatigue. 【Breathable Materials】The computer chair features an open mesh contact surface that allows for ventilation and dryness during prolonged contact with the body. The cushion is made of high-density sponge with good breathability. 【360° Wheels】The chair's 360° swivel wheels allow for unrestricted movement, providing smooth and quiet rolling without impacting the floor or environment. The armrests can be folded, making it convenient when not in use. 【Easy Installation】This chair is designed for easy assembly, with detailed instructions and necessary tools provided for you to easily install it yourself, saving you time and effort.