Smart. Simple. Sustainable. An ergonomic office chair that intuitively responds to the movement of the body, Think® was also the first product in the world to be granted the Cradle to Cradle® environmental certification.Specifications: LiveBack® Flexor System conforms to your spine to provide flexibility and support as you move. Weight-activated adjustment responds to your body weight to provide the right amount of tension as you recline. Includes “boost” offering 20% additional tension for those who need it. 4D armrestsadjust to preferred height, width, depth and pivot. Seat ergonomics includes flexible edges and adaptive bolstering in the foam providing a pressure-free sit. Standard height-adjustable lumbar support. Benefits: The Steelcase Think office chair features LiveBack® Flexor System, weight-activated adjustment, 4D armrests, seat ergonomics and lumbar support. Manufactured by Steelcase in Sarrebourg, France, after placing your order, it ships with easy assembly in 4 parts, free of charge. 92.2% recyclable by total weight, with lifetime warranty on structure, 12 years on mechanisms, 5 years on fabrics.