YOUNIKE Ergonomic Office Chair Rolling High-Back Mesh chair

About this item 【Ergonomic Support】: This ergo office chair's curved backrest and seat contour to your body for better comfort.  Easily adjust the seat height, depth, backrest, and armrests, to meet your needs for long hours of work.  【Heavy-Duty Build】: Built with a commercial-grade SGS Class 3 gas lift and a reinforced five-star metal base, this desk chair supports up to 350 lbs. The 360° smooth-rolling casters glide quietly and won't scratch your floors. 【Padded Cushion】: This ergonomic office chair features a mesh seat with a thick & high-density sponge cushion (3.6 inches).  The seat depth adjusts to your body and sitting posture, reducing leg pressure and keeping you comfortable all day. 【Breathable Mesh】: Our rolling desk chair's backrest and seat are made of high-quality nylon for better airflow and less heat buildup. Durable and sag-resistant, ideal for long hours of work. 【Versatile Use】:  Designed for a wide range of users, this mesh chair is perfect as a study desk ch