Bigger & Better: Designed for round-the-clock use while providing a comfortable seating experience, this big and tall office chair supports up to 500 lbs; Ideal for call centers, dispatch offices and multi-shift work settings Ergonomic Chair: The cushioned back and the soft padded seat provide additional support and comfort for long work hours; The waterfall seat edge helps improve circulation and reduce pressure on legs while seated Choose Your Elevation: Raise and lower the seat height from 20.5" to 24.5" 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; Fitted with swivel wheels that work well on both carpeted and smooth surfaces for easy portability Designed for Comfort: This comfy office chair offers multiple tilt options, including tension adjustment (how easily it tilts), tilt range (how far the chair tilts) and a locking mechanism that lets you secure your preferred angle