you can find a lot of garment steamers with plastic case and aluminum heater on the market. this heavy duty model really stands out from those plastic shell garment steamer. the case of this model is cast aluminum for durability. the heater is made of copper for long use life. this model is not only for home use, but also is perfect for commercial use, like boutique. it has 5 steam levels make it suitable for all kind of clothes. 40g steam per minute make remove wrinkles on the garment more efficiently. the net weight of this is 9.8kg which added stability to protect against tilting. it won’t fall down even when you iron heavy clothes, like coat.