The Aqua office chair has a unique back support system. The patented double-split back provides a form-shaping experience that cradles your body when you're sitting still or moving around. Both the armrests and height are adjustable. Dimensions: 26 1/2" W from outside of the arm to outside of the arm; 20" W seat; 19 1/2" W seat back. Some easy assembly required. 250-pound weight capacity. One-year warranty. Imported.