Simple, easy-to-use and a great value, Essentials Work Chairs are suited to any office style from the traditional to the progressive. Simple, easy-to-use chairs that are not only affordable, but also maintain the Knoll tradition of superior design and quality. Overall Dimensions: W 29", D 27", H 37 1/10" to 41 3/4" See Knoll website for seating options. GREENGUARD Certification