The Bush Business Furniture Prosper High Back Task Chair offers a dependable workplace seating solution at an affordable price. Cushioned black fabric upholstery on the seat and back presents exceptional comfort with a professional style that works well in any office environment, from a bustling corporate headquarters to your own private study. The high back design limits strain on the upper back, shoulders and neck to reduce fatigue during a long workday. The ergonomically contoured backrest features built-in lumbar support to encourage healthy posture. A convenient lever instantly raises and lowers the seat to find the perfect height, and the armrests are also height and width adjustable and feature soft padding for maximum comfort. Five dual-wheeled casters allow the computer chair to roll freely throughout your workspace while 360 degree swivel control provides full range of motion. The heavy duty nylon base promises to withstand years of use with a weight capacity of 275 pounds. This high back swivel chair is tested to meet ANSI/BIFMA quality standards for safety and performance and is backed by the Bush Business Furniture 5 Year Manufacturer's Warranty.