infrared sauna with tourmaline 1,with carbon firbon heating film 2,portable,foldable 3,no space waste 4,CE,GS,ETL infrared sauna with tourmaline stoneFatures and Advantages1,with FIR ceramic heater2,foldable ,light and easy to clan3,made of high heating effciency carbon filmBenefits1,high slimming effect2,strong therapy effect3,low cost4,good quality