BEVCO’s Doral Series comes standard with a small production-style back to provide optimal lumbar support for increased comfort during extended sitting durations. Specifically, users that have a petite-to-average build will truly enjoy this seating experience. This non-tilt model features manual back and seat height adjustments for increased comfort during extended sitting durations. Fully adjustable production-style back has a durable scuff resistant back pan to protect the upholstery. A waterfall seat promotes lower body circulation, improving overall wellness. The pneumatic height adjustment allows you to easily change your seat height from 18" - 23". Upholstered vinyl is antibacterial; antifungal and complies with CAL 117. The chair features a sturdy 25" diameter black nylon base. Model comes with dual wheel hard floor casters.