Shutter: 1.Material:Spruce,Cedar,Abachi 2.Used for:sauna room,hotel,family 3.installed on:the left corner of sauna door The feature of shutter:1.Material:Spruce,Cedar,Abachi2.Used for:sauna room,hotel,family3.installed on:the left corner of sauna door/ the place where you like4.Used for:sauna room,family,hotel,etc.5.Without painting,it also not release poisonous gas in high temperature ...