The Union Sleek model is a highly advanced hookah design that incorporates some of the most high tech materials in the industry. High density plastics and stainless steel make up a majority of its construction. Materials on the stem of this model consists of resin. Each is hand poured making each pipe an individual work of art. Each of these fine hookahs come complete with stem, tray, soft silicone hose, clear teardrop style vase and diffuser.