Simple, easy-to-use and a great value, Essentials Work Chairs are suited to any office style from the traditional to the progressive. Characterized by its slim, wave-like, Terratex® suspension back design, EWC Tech task chairs are perfectly proportioned to meet the needs of the modern office with a streamlined, efficient aesthetic. Overall Dimensions: H 38 1/2" to 42 3/4", W 27", D 27". See Knoll website for seating options. GREENGUARD Certification