Fully welded 25x25mmSQ #304 grade polished stainless steel tube frame, 350mmW x 430mmD high density 80mm thick moulded foam seat upholstered in commercial grade vinyl rub tested to 100,000 (red, black, charcoal, white, blue or taupe), can also be upholstered in fabric/vinyl of your choice, choose from a 660mmH or 780mmH seat height, indoor use