Ergonomic Backrest Design: Curved backrest can flawlessly line up with the human body curve and support your spines natural curve. The lumbar support system provides consistent support to your lower back LARGE CUSHIONED SEAT: -This home office chair features a spacious seat that measures 20.3(W) x 17.7(D) and is padded with 25D high-density foam, offering substantial cushy support and relieving fatigue from hours of sitting. A larger seat can accommodate users of different body sizes LEAN BACK AND RELAX: -By simply pushing the lever or pulling it out, this mesh office chair can be tilted and leaned backward for relaxation during breaks. A tilt tension control knob under the seat is equipped to adjust the recline angle BREATHABLE MESH BACK & SEAT: -The back and seat of the computer chair are wrapped with breathable mesh to allow air, body heat, and moisture to freely pass through, helping you maintain an optimaltemperature. Premium mesh has excellent elasticity and wear resis