Construction: Base: 25 1/2" diameter inverted steel dome with enclosed top supported by 1 1/2" diameter post and a 16" diameter steel base. Materials and Finishes: Base: Opaque color bases constructed of all steel components. For polished or satin stainless steel bases, all visible components are stainless steel. The tack welded seam between top and dome is visible on all stainless steel tables.