The Santorini Flame Patio Heater is a unique cylindrical heater that creates a stunning 360° visual effect. The central flame is manipulated so that it raises into a spiral and dances to the top. This heater made of steel with an attractive gun metal finish and has the added bonus of being retractable for compact storage. With no assembly required, all you need to do is connect the gas with our snap on connector to enjoy this product straight out of the box!. The glass tube is made from Pyrex which is protected by a metal mesh case, and the base has wheels for ease of movement and storage.