The Bulldog management chair provides active ergonomic support for those who require the most adjustable ergonomic chair available. Bulldog is the end-all, be-all of ergonomic design—suitable to all seating applications and every body type. Intuitive controls in the form of sculpted levers allow quick and easy adjustment, granting new users the ability to instantly customize the chair. Overall Dimensions: W 25 1/2", D 21 1/4", H 30" See Knoll website for seating options. GREENGUARD Certification