Soft sponge fills the seat and backrest across this dining chairs set of 4, and the frame is premium rubber wood rather than engineered board. Reinforced crossbars and triangular bracing between the legs hold the structure square through years of use. Each chair stands 22 by 17 by 35.5 in with a 19 in seat height and carries 330 lbs, finished with non-slip foot pads and a low-maintenance cover.