Intrinsic flex provides comfort—lean forward for typing/note taking and the frame firms up; lean back and the frame relaxes. Plastic seat and back with reverse-cantilevered chrome finish frame. Sculpted glides, including two rear anti-tip glides. Manufacturer's ten-year warranty. 20w x 21d x 32h. Shpg. wt. 32 lbs. [Two chairs per carton.]