Our standard all-steel folding chair features a 19-gauge 7/8"-round tubular frame with 2½" frame strengthener on each side of the seat; two 19-gauge, 5/8", U-shaped, double-riveted cross braces. Seat is 15¾"W x 16"D with a waterfall front for added comfort. The back features a single contour with curled safety edges and is electromagnetically welded to the frame. Color-coordinated V-Tip plugs provide added stability.