Cotton Bigger & Better: Designed for round-the-clock use while providing a comfortable seating experience, this office chair supports up to 400 lbs; Ideal for call centers, dispatch offices and multi-shift work settings Ergonomic Desk Chair: A contoured breathable mesh back keeps you cool and comfy while the soft padded seat provides additional support and comfort for long work hours Choose Your Elevation: Raise and lower the seat height between 23"H and 32.5"H to find the level that works just right for you; The pneumatic lever at the bottom enables quick and easy height adjustment Convenient Design: 360-degree swivel makes pivoting to different screens and workstations easy; A back tilt mechanism allows you to lean back for added comfort with a posture lock feature that lets you secure your preferred angle Portable Office Chair: The heavy-duty base features a stylish chrome finish, while the dual-tone swivel wheels work well on both carpeted and smooth surfaces for easy portability