Amplify any office or workspace with the comfort and simplistic style of the Flash Furniture Kelista Mid-Back Swivel Office Chair. This ergonomic mid-back swivel office chair provides exceptional seating for everyone from the CEO to the front office staff, ensuring the perfect balance of ergonomic comfort and optimal support for each employee. This versatile commercial grade office chair has a sleek and versatile design that makes it perfect for use in front offices, executive suites, at-home work desks, college dorm rooms, student study spaces, or just about anywhere. The ventilated curved mesh back with integrated lumbar support prevents overheating and promotes better posture, while the 3" padded waterfall seat helps relieve pressure from the legs so you can take on even the longest work days without discomfort. Additionally, the highly customizable office chair features a pneumatic height adjustable seat that swivels 360 degrees and has a tilt lock with a tilt tension adjustment knob to create a comfortable, custom seating experience for all body types. The flip-up arms provide added convenience and ease of access. This mid-back office chair measures 24.5" W x 25.5" D x 37.5-41.25" H with a 20.25" W x 19" D x 17.25-20.75" H seat size, 17-20" W x 23" H back size, 26.25-30.25" arm height from floor, and 8" arm height from seat and can be assembled quickly with the included tools and step-by-step instructions.