This mesh task chair adds stylish, comfortable seating to any office, home, work, or study area. The mid-back breathable mesh design and contoured back allows for proper airflow to keep users cool and comfortable as they work, while the contoured armrests provide a resting space for your arms. An easy-to-use pneumatic height lever adjusts to allow users to select a working position that is ideal for them. Made with a durable five-point stair base featuring five heavy-duty nylon casters and a sturdy polypropylene frame, this office chair provides smooth maneuverability and withstands years of quality use. The ergonomic desk chair is CAL117 compliant & CARB compliant, meets ANSI-BIFMA Standards, and is backed by a 5-year warranty.