lt is made of high quality stainless steel, the built-in system will help prolong it.We only use the first-class materials coupled withconsiderable design and the highest safety standard on all our sauna heaterYou will be satisfied with the noticeable effects on pain relief.weight control. skin stimulation and stress reduction due to anincreased blood circulation got from Sauna Bath. lt is the first choice for modern house, hotel, health club and leisure places.