On cold season, humidifier is on demand especially on places with dry air around. However, using a humidifier generally adds up the carbon footprints and will eventually cause trouble to the environment. With the aim to provide moisture without harming the environment, eco-friendly designer Okada created the Mast, an eco-friendly humidifier. What the Mast made an eco-friendly product is its ability to produce humid are without the use of electricity. To keep the Mast working, one will put water on the boat portion of it. Made from scrap parts of the seed of cypress and with the fragrance of Hodoyoi natural moisture, the Mast also has the look the mimics a floating yacht making it a good home décor item as well.