Breva Series Chair offers a comfortable yet durable seating option well-suited for rigorous work environments. Nonslip, easy-to-clean polyurethane seat resists water, oil, punctures and most chemicals. Pneumatic adjust offers height settings from 22.5" to 32". Waterfall seat improves lower body circulation and overall health. Fully contoured back encourages proper spine alignment. Convenient handle found in the chair's backrest helps you transition to different work locations. Along the office chair's base cylinder, a threaded knob adjusts the 18" chrome footring's height from 6.5" to 16.5". Sturdy, nylon base moves on dual-wheeled, hard floor casters and supports up to 300 lb. Seat size is 18" wide x 17" deep. Back measures 17" wide x 12" high.